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Finding the Fourth Proportional to 10,000.15, 13,800.24 and 5,523.88

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Solution

The fourth proportional to 10,000.15, 13,800.24 and 5,523.88 is: 7,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.15 : 13,800.24 = 5,523.88 : x
  2. Step 2: Convert to fraction form
    10,000.15/13,800.24 = 5,523.88/x
  3. Step 3: Cross multiply
    10,000.15x = 13,800.24 × 5,523.88
  4. Step 4: Simplify right side
    10,000.15x = 76,230,869.73
  5. Step 5: Solve for x
    x = 76,230,869.73/10,000.15
  6. Step 6: Final answer
    x = 7,622.97

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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.