Home / 10,871.04-16,306.56-3,079.85

Finding the Fourth Proportional to 10,871.04, 16,306.56 and 3,079.85

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Solution

The fourth proportional to 10,871.04, 16,306.56 and 3,079.85 is: 4,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.04 : 16,306.56 = 3,079.85 : x
  2. Step 2: Convert to fraction form
    10,871.04/16,306.56 = 3,079.85/x
  3. Step 3: Cross multiply
    10,871.04x = 16,306.56 × 3,079.85
  4. Step 4: Simplify right side
    10,871.04x = 50,221,743.42
  5. Step 5: Solve for x
    x = 50,221,743.42/10,871.04
  6. Step 6: Final answer
    x = 4,619.78

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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.