Home / 11,687.12-17,524.44-3,893.12

Finding the Fourth Proportional to 11,687.12, 17,524.44 and 3,893.12

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Solution

The fourth proportional to 11,687.12, 17,524.44 and 3,893.12 is: 5,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.12 : 17,524.44 = 3,893.12 : x
  2. Step 2: Convert to fraction form
    11,687.12/17,524.44 = 3,893.12/x
  3. Step 3: Cross multiply
    11,687.12x = 17,524.44 × 3,893.12
  4. Step 4: Simplify right side
    11,687.12x = 68,224,747.85
  5. Step 5: Solve for x
    x = 68,224,747.85/11,687.12
  6. Step 6: Final answer
    x = 5,837.60

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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.