Home / 11,177.12-16,765.68-3,876

Finding the Fourth Proportional to 11,177.12, 16,765.68 and 3,876

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Solution

The fourth proportional to 11,177.12, 16,765.68 and 3,876 is: 5,814

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.12 : 16,765.68 = 3,876 : x
  2. Step 2: Convert to fraction form
    11,177.12/16,765.68 = 3,876/x
  3. Step 3: Cross multiply
    11,177.12x = 16,765.68 × 3,876
  4. Step 4: Simplify right side
    11,177.12x = 64,983,775.68
  5. Step 5: Solve for x
    x = 64,983,775.68/11,177.12
  6. Step 6: Final answer
    x = 5,814

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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.