Home / 14,781.32-20,502.76-14,249.36

Finding the Fourth Proportional to 14,781.32, 20,502.76 and 14,249.36

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Solution

The fourth proportional to 14,781.32, 20,502.76 and 14,249.36 is: 19,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.32 : 20,502.76 = 14,249.36 : x
  2. Step 2: Convert to fraction form
    14,781.32/20,502.76 = 14,249.36/x
  3. Step 3: Cross multiply
    14,781.32x = 20,502.76 × 14,249.36
  4. Step 4: Simplify right side
    14,781.32x = 292,151,208.23
  5. Step 5: Solve for x
    x = 292,151,208.23/14,781.32
  6. Step 6: Final answer
    x = 19,764.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.