commensurate(proportionate; of a similar measurable standard) adjective [UK: kə.ˈmen.ʃə.rət] [US: kə.ˈmen.sə.rət]
proportional(at a constant ratio (to)) adjective [UK: prə.ˈpɔːʃ.n̩əl] [US: prə.ˈpɔːr.ʃn̩əl]The electricity cost is proportional to the total resistance of the circuit. = El gasto de electricidad es proporcional a la resistencia total del circuito.
proporcionalidad noun {f}
proportionality [proportionalities](the property of being proportional) noun [UK: prə.ˌpɔː.ʃə.ˈnæ.lɪ.ti] [US: prə.ˌpɔːr.ʃə.ˈnæ.lə.ti]
directly proportional(proportional to a constant multiple of an independent variable) adjective [UK: dɪ.ˈrekt.li prə.ˈpɔːʃ.n̩əl] [US: də.ˈrekt.li prə.ˈpɔːr.ʃn̩əl]