Home / 11,869.11-17,765.01-8,747.85

Finding the Fourth Proportional to 11,869.11, 17,765.01 and 8,747.85

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Solution

The fourth proportional to 11,869.11, 17,765.01 and 8,747.85 is: 13,093.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.11 : 17,765.01 = 8,747.85 : x
  2. Step 2: Convert to fraction form
    11,869.11/17,765.01 = 8,747.85/x
  3. Step 3: Cross multiply
    11,869.11x = 17,765.01 × 8,747.85
  4. Step 4: Simplify right side
    11,869.11x = 155,405,642.73
  5. Step 5: Solve for x
    x = 155,405,642.73/11,869.11
  6. Step 6: Final answer
    x = 13,093.29

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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.