Home / 13,296.20-19,938.21-3,932.88

Finding the Fourth Proportional to 13,296.20, 19,938.21 and 3,932.88

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Solution

The fourth proportional to 13,296.20, 19,938.21 and 3,932.88 is: 5,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.20 : 19,938.21 = 3,932.88 : x
  2. Step 2: Convert to fraction form
    13,296.20/19,938.21 = 3,932.88/x
  3. Step 3: Cross multiply
    13,296.20x = 19,938.21 × 3,932.88
  4. Step 4: Simplify right side
    13,296.20x = 78,414,587.34
  5. Step 5: Solve for x
    x = 78,414,587.34/13,296.20
  6. Step 6: Final answer
    x = 5,897.52

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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.