Home / 11,169.30-16,742.28-3,771.18

Finding the Fourth Proportional to 11,169.30, 16,742.28 and 3,771.18

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Solution

The fourth proportional to 11,169.30, 16,742.28 and 3,771.18 is: 5,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,169.30 : 16,742.28 = 3,771.18 : x
  2. Step 2: Convert to fraction form
    11,169.30/16,742.28 = 3,771.18/x
  3. Step 3: Cross multiply
    11,169.30x = 16,742.28 × 3,771.18
  4. Step 4: Simplify right side
    11,169.30x = 63,138,151.49
  5. Step 5: Solve for x
    x = 63,138,151.49/11,169.30
  6. Step 6: Final answer
    x = 5,652.83

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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.