Home / 11,961.85-17,933.82-8,253.49

Finding the Fourth Proportional to 11,961.85, 17,933.82 and 8,253.49

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Solution

The fourth proportional to 11,961.85, 17,933.82 and 8,253.49 is: 12,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.85 : 17,933.82 = 8,253.49 : x
  2. Step 2: Convert to fraction form
    11,961.85/17,933.82 = 8,253.49/x
  3. Step 3: Cross multiply
    11,961.85x = 17,933.82 × 8,253.49
  4. Step 4: Simplify right side
    11,961.85x = 148,016,604.03
  5. Step 5: Solve for x
    x = 148,016,604.03/11,961.85
  6. Step 6: Final answer
    x = 12,374.06

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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.