What is Proportionality?
Proportionality definition and meaning on Dictionary terms:
having due proportion; corresponding.
being in or characterized by proportion.
of, relating to, or based on proportion; relative.
Mathematics. (of two quantities) having the same or a constant ratio or relation: The quantities y and x are proportional if y/x = k, where k is the constant of proportionality. (of a first quantity with respect to a second quantity) a constant multiple of: The quantity y is proportional to x if y = kx, where k is the constant of proportionality.