Home / 19,472.64-29,210.18-13,229.97

Finding the Fourth Proportional to 19,472.64, 29,210.18 and 13,229.97

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Solution

The fourth proportional to 19,472.64, 29,210.18 and 13,229.97 is: 19,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.64 : 29,210.18 = 13,229.97 : x
  2. Step 2: Convert to fraction form
    19,472.64/29,210.18 = 13,229.97/x
  3. Step 3: Cross multiply
    19,472.64x = 29,210.18 × 13,229.97
  4. Step 4: Simplify right side
    19,472.64x = 386,449,738.94
  5. Step 5: Solve for x
    x = 386,449,738.94/19,472.64
  6. Step 6: Final answer
    x = 19,845.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.