Home / 10,458.72-15,691.68-6,558.56

Finding the Fourth Proportional to 10,458.72, 15,691.68 and 6,558.56

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Solution

The fourth proportional to 10,458.72, 15,691.68 and 6,558.56 is: 9,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.72 : 15,691.68 = 6,558.56 : x
  2. Step 2: Convert to fraction form
    10,458.72/15,691.68 = 6,558.56/x
  3. Step 3: Cross multiply
    10,458.72x = 15,691.68 × 6,558.56
  4. Step 4: Simplify right side
    10,458.72x = 102,914,824.78
  5. Step 5: Solve for x
    x = 102,914,824.78/10,458.72
  6. Step 6: Final answer
    x = 9,840.10

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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.