Home / 11,531.30-17,299.37-3,739.50

Finding the Fourth Proportional to 11,531.30, 17,299.37 and 3,739.50

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Solution

The fourth proportional to 11,531.30, 17,299.37 and 3,739.50 is: 5,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.30 : 17,299.37 = 3,739.50 : x
  2. Step 2: Convert to fraction form
    11,531.30/17,299.37 = 3,739.50/x
  3. Step 3: Cross multiply
    11,531.30x = 17,299.37 × 3,739.50
  4. Step 4: Simplify right side
    11,531.30x = 64,691,003.46
  5. Step 5: Solve for x
    x = 64,691,003.46/11,531.30
  6. Step 6: Final answer
    x = 5,610.04

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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.