Home / 10,333.38-15,500.07-3,407.88

Finding the Fourth Proportional to 10,333.38, 15,500.07 and 3,407.88

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Solution

The fourth proportional to 10,333.38, 15,500.07 and 3,407.88 is: 5,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.38 : 15,500.07 = 3,407.88 : x
  2. Step 2: Convert to fraction form
    10,333.38/15,500.07 = 3,407.88/x
  3. Step 3: Cross multiply
    10,333.38x = 15,500.07 × 3,407.88
  4. Step 4: Simplify right side
    10,333.38x = 52,822,301.05
  5. Step 5: Solve for x
    x = 52,822,301.05/10,333.38
  6. Step 6: Final answer
    x = 5,111.81

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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.