Home / 9,691.08-13,374.90-5,500.68

Finding the Fourth Proportional to 9,691.08, 13,374.90 and 5,500.68

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Solution

The fourth proportional to 9,691.08, 13,374.90 and 5,500.68 is: 7,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691.08 : 13,374.90 = 5,500.68 : x
  2. Step 2: Convert to fraction form
    9,691.08/13,374.90 = 5,500.68/x
  3. Step 3: Cross multiply
    9,691.08x = 13,374.90 × 5,500.68
  4. Step 4: Simplify right side
    9,691.08x = 73,571,044.93
  5. Step 5: Solve for x
    x = 73,571,044.93/9,691.08
  6. Step 6: Final answer
    x = 7,591.62

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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.