Home / 15,560.13-23,340.20-5,171.88

Finding the Fourth Proportional to 15,560.13, 23,340.20 and 5,171.88

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Solution

The fourth proportional to 15,560.13, 23,340.20 and 5,171.88 is: 7,757.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560.13 : 23,340.20 = 5,171.88 : x
  2. Step 2: Convert to fraction form
    15,560.13/23,340.20 = 5,171.88/x
  3. Step 3: Cross multiply
    15,560.13x = 23,340.20 × 5,171.88
  4. Step 4: Simplify right side
    15,560.13x = 120,712,713.58
  5. Step 5: Solve for x
    x = 120,712,713.58/15,560.13
  6. Step 6: Final answer
    x = 7,757.82

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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.