Inverse proportionality

Describes a relationship in which one variable equals a constant divided by another, so that doubling one halves the other. It is used whenever a quantity varies inversely with another, such as pressure and volume of a gas at fixed temperature.

y=\frac{c}{x}

What the symbols mean

dependent variable
independent variable, nonzero
constant of proportionality

About this formula

  • FieldMathematics
  • TopicProportional relationships
  • LevelHigh school
  • Also calledinverse proportion, reciprocal proportionality, reciprocal proportion, y equals c over x, inverse variation, y varies inversely with x
  • SourceWikidata Q1091245

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