Home / 10,327.20-15,488.64-3,397.92

Finding the Fourth Proportional to 10,327.20, 15,488.64 and 3,397.92

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Solution

The fourth proportional to 10,327.20, 15,488.64 and 3,397.92 is: 5,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.20 : 15,488.64 = 3,397.92 : x
  2. Step 2: Convert to fraction form
    10,327.20/15,488.64 = 3,397.92/x
  3. Step 3: Cross multiply
    10,327.20x = 15,488.64 × 3,397.92
  4. Step 4: Simplify right side
    10,327.20x = 52,629,159.63
  5. Step 5: Solve for x
    x = 52,629,159.63/10,327.20
  6. Step 6: Final answer
    x = 5,096.17

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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.