Home / 15,517.53-21,414.29-8,444.00

Finding the Fourth Proportional to 15,517.53, 21,414.29 and 8,444.00

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Solution

The fourth proportional to 15,517.53, 21,414.29 and 8,444.00 is: 11,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.53 : 21,414.29 = 8,444.00 : x
  2. Step 2: Convert to fraction form
    15,517.53/21,414.29 = 8,444.00/x
  3. Step 3: Cross multiply
    15,517.53x = 21,414.29 × 8,444.00
  4. Step 4: Simplify right side
    15,517.53x = 180,822,115.47
  5. Step 5: Solve for x
    x = 180,822,115.47/15,517.53
  6. Step 6: Final answer
    x = 11,652.76

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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.