Home / 10,234.33-15,336.11-5,787.20

Finding the Fourth Proportional to 10,234.33, 15,336.11 and 5,787.20

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Solution

The fourth proportional to 10,234.33, 15,336.11 and 5,787.20 is: 8,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,234.33 : 15,336.11 = 5,787.20 : x
  2. Step 2: Convert to fraction form
    10,234.33/15,336.11 = 5,787.20/x
  3. Step 3: Cross multiply
    10,234.33x = 15,336.11 × 5,787.20
  4. Step 4: Simplify right side
    10,234.33x = 88,753,188.60
  5. Step 5: Solve for x
    x = 88,753,188.60/10,234.33
  6. Step 6: Final answer
    x = 8,672.11

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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.