Home / 15,447.89-23,151.55-8,787.44

Finding the Fourth Proportional to 15,447.89, 23,151.55 and 8,787.44

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Solution

The fourth proportional to 15,447.89, 23,151.55 and 8,787.44 is: 13,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.89 : 23,151.55 = 8,787.44 : x
  2. Step 2: Convert to fraction form
    15,447.89/23,151.55 = 8,787.44/x
  3. Step 3: Cross multiply
    15,447.89x = 23,151.55 × 8,787.44
  4. Step 4: Simplify right side
    15,447.89x = 203,442,753.98
  5. Step 5: Solve for x
    x = 203,442,753.98/15,447.89
  6. Step 6: Final answer
    x = 13,169.61

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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.