Home / 22,704.57-31,322.21-13,268.97

Finding the Fourth Proportional to 22,704.57, 31,322.21 and 13,268.97

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Solution

The fourth proportional to 22,704.57, 31,322.21 and 13,268.97 is: 18,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,704.57 : 31,322.21 = 13,268.97 : x
  2. Step 2: Convert to fraction form
    22,704.57/31,322.21 = 13,268.97/x
  3. Step 3: Cross multiply
    22,704.57x = 31,322.21 × 13,268.97
  4. Step 4: Simplify right side
    22,704.57x = 415,613,398.48
  5. Step 5: Solve for x
    x = 415,613,398.48/22,704.57
  6. Step 6: Final answer
    x = 18,305.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.