Home / 11,338.43-15,644.61-6,861.29

Finding the Fourth Proportional to 11,338.43, 15,644.61 and 6,861.29

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Solution

The fourth proportional to 11,338.43, 15,644.61 and 6,861.29 is: 9,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.43 : 15,644.61 = 6,861.29 : x
  2. Step 2: Convert to fraction form
    11,338.43/15,644.61 = 6,861.29/x
  3. Step 3: Cross multiply
    11,338.43x = 15,644.61 × 6,861.29
  4. Step 4: Simplify right side
    11,338.43x = 107,342,127.92
  5. Step 5: Solve for x
    x = 107,342,127.92/11,338.43
  6. Step 6: Final answer
    x = 9,467.11

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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.