Home / 11,177.42-16,768.28-4,251.38

Finding the Fourth Proportional to 11,177.42, 16,768.28 and 4,251.38

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Solution

The fourth proportional to 11,177.42, 16,768.28 and 4,251.38 is: 6,377.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.42 : 16,768.28 = 4,251.38 : x
  2. Step 2: Convert to fraction form
    11,177.42/16,768.28 = 4,251.38/x
  3. Step 3: Cross multiply
    11,177.42x = 16,768.28 × 4,251.38
  4. Step 4: Simplify right side
    11,177.42x = 71,288,257.01
  5. Step 5: Solve for x
    x = 71,288,257.01/11,177.42
  6. Step 6: Final answer
    x = 6,377.88

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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.