Home / 10,768.27-16,151.11-2,871.38

Finding the Fourth Proportional to 10,768.27, 16,151.11 and 2,871.38

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Solution

The fourth proportional to 10,768.27, 16,151.11 and 2,871.38 is: 4,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.27 : 16,151.11 = 2,871.38 : x
  2. Step 2: Convert to fraction form
    10,768.27/16,151.11 = 2,871.38/x
  3. Step 3: Cross multiply
    10,768.27x = 16,151.11 × 2,871.38
  4. Step 4: Simplify right side
    10,768.27x = 46,375,886.30
  5. Step 5: Solve for x
    x = 46,375,886.30/10,768.27
  6. Step 6: Final answer
    x = 4,306.72

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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.