Home / 10,711.92-16,067.88-4,141.20

Finding the Fourth Proportional to 10,711.92, 16,067.88 and 4,141.20

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Solution

The fourth proportional to 10,711.92, 16,067.88 and 4,141.20 is: 6,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.92 : 16,067.88 = 4,141.20 : x
  2. Step 2: Convert to fraction form
    10,711.92/16,067.88 = 4,141.20/x
  3. Step 3: Cross multiply
    10,711.92x = 16,067.88 × 4,141.20
  4. Step 4: Simplify right side
    10,711.92x = 66,540,304.66
  5. Step 5: Solve for x
    x = 66,540,304.66/10,711.92
  6. Step 6: Final answer
    x = 6,211.80

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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.