Home / 11,255.38-15,532.42-6,539.96

Finding the Fourth Proportional to 11,255.38, 15,532.42 and 6,539.96

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Solution

The fourth proportional to 11,255.38, 15,532.42 and 6,539.96 is: 9,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.38 : 15,532.42 = 6,539.96 : x
  2. Step 2: Convert to fraction form
    11,255.38/15,532.42 = 6,539.96/x
  3. Step 3: Cross multiply
    11,255.38x = 15,532.42 × 6,539.96
  4. Step 4: Simplify right side
    11,255.38x = 101,581,405.50
  5. Step 5: Solve for x
    x = 101,581,405.50/11,255.38
  6. Step 6: Final answer
    x = 9,025.14

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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.