Home / 10,558.28-15,829.61-6,397.29

Finding the Fourth Proportional to 10,558.28, 15,829.61 and 6,397.29

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Solution

The fourth proportional to 10,558.28, 15,829.61 and 6,397.29 is: 9,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.28 : 15,829.61 = 6,397.29 : x
  2. Step 2: Convert to fraction form
    10,558.28/15,829.61 = 6,397.29/x
  3. Step 3: Cross multiply
    10,558.28x = 15,829.61 × 6,397.29
  4. Step 4: Simplify right side
    10,558.28x = 101,266,573.77
  5. Step 5: Solve for x
    x = 101,266,573.77/10,558.28
  6. Step 6: Final answer
    x = 9,591.20

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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.