Home / 21,414.15-29,550.92-11,854.44

Finding the Fourth Proportional to 21,414.15, 29,550.92 and 11,854.44

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Solution

The fourth proportional to 21,414.15, 29,550.92 and 11,854.44 is: 16,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,414.15 : 29,550.92 = 11,854.44 : x
  2. Step 2: Convert to fraction form
    21,414.15/29,550.92 = 11,854.44/x
  3. Step 3: Cross multiply
    21,414.15x = 29,550.92 × 11,854.44
  4. Step 4: Simplify right side
    21,414.15x = 350,309,548.81
  5. Step 5: Solve for x
    x = 350,309,548.81/21,414.15
  6. Step 6: Final answer
    x = 16,358.79

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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.