Home / 9,124.82-13,691.32-5,620.14

Finding the Fourth Proportional to 9,124.82, 13,691.32 and 5,620.14

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Solution

The fourth proportional to 9,124.82, 13,691.32 and 5,620.14 is: 8,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.82 : 13,691.32 = 5,620.14 : x
  2. Step 2: Convert to fraction form
    9,124.82/13,691.32 = 5,620.14/x
  3. Step 3: Cross multiply
    9,124.82x = 13,691.32 × 5,620.14
  4. Step 4: Simplify right side
    9,124.82x = 76,947,135.18
  5. Step 5: Solve for x
    x = 76,947,135.18/9,124.82
  6. Step 6: Final answer
    x = 8,432.73

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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.