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Finding the Fourth Proportional to 10,047.84, 15,060.24 and 3,469.92

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Solution

The fourth proportional to 10,047.84, 15,060.24 and 3,469.92 is: 5,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.84 : 15,060.24 = 3,469.92 : x
  2. Step 2: Convert to fraction form
    10,047.84/15,060.24 = 3,469.92/x
  3. Step 3: Cross multiply
    10,047.84x = 15,060.24 × 3,469.92
  4. Step 4: Simplify right side
    10,047.84x = 52,257,827.98
  5. Step 5: Solve for x
    x = 52,257,827.98/10,047.84
  6. Step 6: Final answer
    x = 5,200.90

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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.