Home / 11,132.60-16,691.49-6,680.24

Finding the Fourth Proportional to 11,132.60, 16,691.49 and 6,680.24

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Solution

The fourth proportional to 11,132.60, 16,691.49 and 6,680.24 is: 10,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.60 : 16,691.49 = 6,680.24 : x
  2. Step 2: Convert to fraction form
    11,132.60/16,691.49 = 6,680.24/x
  3. Step 3: Cross multiply
    11,132.60x = 16,691.49 × 6,680.24
  4. Step 4: Simplify right side
    11,132.60x = 111,503,159.16
  5. Step 5: Solve for x
    x = 111,503,159.16/11,132.60
  6. Step 6: Final answer
    x = 10,015.91

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1.5x scale

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.