Home / 9,517.62-13,134.32-5,325.87

Finding the Fourth Proportional to 9,517.62, 13,134.32 and 5,325.87

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Solution

The fourth proportional to 9,517.62, 13,134.32 and 5,325.87 is: 7,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.62 : 13,134.32 = 5,325.87 : x
  2. Step 2: Convert to fraction form
    9,517.62/13,134.32 = 5,325.87/x
  3. Step 3: Cross multiply
    9,517.62x = 13,134.32 × 5,325.87
  4. Step 4: Simplify right side
    9,517.62x = 69,951,654.23
  5. Step 5: Solve for x
    x = 69,951,654.23/9,517.62
  6. Step 6: Final answer
    x = 7,349.70

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1.5x scale

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.