proportional

 
Pronunciation: /prəˈpɔːʃ(ə)n(ə)l/

adjective

  • corresponding in size or amount to something else: the punishment should be proportional to the crime
  • Mathematics (of a variable quantity) having a constant ratio to another quantity.

Derivatives

proportionality

Pronunciation: /-ˈnalɪti/
noun

proportionally

adverb

Origin:

late Middle English: from late Latin proportionalis, from proportio(n-) (see proportion)