Home / 12,591.20-17,375.97-6,925.79

Finding the Fourth Proportional to 12,591.20, 17,375.97 and 6,925.79

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Solution

The fourth proportional to 12,591.20, 17,375.97 and 6,925.79 is: 9,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.20 : 17,375.97 = 6,925.79 : x
  2. Step 2: Convert to fraction form
    12,591.20/17,375.97 = 6,925.79/x
  3. Step 3: Cross multiply
    12,591.20x = 17,375.97 × 6,925.79
  4. Step 4: Simplify right side
    12,591.20x = 120,342,232.39
  5. Step 5: Solve for x
    x = 120,342,232.39/12,591.20
  6. Step 6: Final answer
    x = 9,557.65

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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.