Home / 20,437.92-30,604.43-13,397.13

Finding the Fourth Proportional to 20,437.92, 30,604.43 and 13,397.13

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Solution

The fourth proportional to 20,437.92, 30,604.43 and 13,397.13 is: 20,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.92 : 30,604.43 = 13,397.13 : x
  2. Step 2: Convert to fraction form
    20,437.92/30,604.43 = 13,397.13/x
  3. Step 3: Cross multiply
    20,437.92x = 30,604.43 × 13,397.13
  4. Step 4: Simplify right side
    20,437.92x = 410,011,560.78
  5. Step 5: Solve for x
    x = 410,011,560.78/20,437.92
  6. Step 6: Final answer
    x = 20,061.32

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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.