Home / 15,761.86-21,760.25-10,463.92

Finding the Fourth Proportional to 15,761.86, 21,760.25 and 10,463.92

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Solution

The fourth proportional to 15,761.86, 21,760.25 and 10,463.92 is: 14,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.86 : 21,760.25 = 10,463.92 : x
  2. Step 2: Convert to fraction form
    15,761.86/21,760.25 = 10,463.92/x
  3. Step 3: Cross multiply
    15,761.86x = 21,760.25 × 10,463.92
  4. Step 4: Simplify right side
    15,761.86x = 227,697,515.18
  5. Step 5: Solve for x
    x = 227,697,515.18/15,761.86
  6. Step 6: Final answer
    x = 14,446.11

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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.