Home / 19,549.80-29,306.34-13,921.92

Finding the Fourth Proportional to 19,549.80, 29,306.34 and 13,921.92

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Solution

The fourth proportional to 19,549.80, 29,306.34 and 13,921.92 is: 20,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.80 : 29,306.34 = 13,921.92 : x
  2. Step 2: Convert to fraction form
    19,549.80/29,306.34 = 13,921.92/x
  3. Step 3: Cross multiply
    19,549.80x = 29,306.34 × 13,921.92
  4. Step 4: Simplify right side
    19,549.80x = 408,000,520.97
  5. Step 5: Solve for x
    x = 408,000,520.97/19,549.80
  6. Step 6: Final answer
    x = 20,869.81

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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.