Home / 12,396.32-18,591.75-3,631.92

Finding the Fourth Proportional to 12,396.32, 18,591.75 and 3,631.92

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Solution

The fourth proportional to 12,396.32, 18,591.75 and 3,631.92 is: 5,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396.32 : 18,591.75 = 3,631.92 : x
  2. Step 2: Convert to fraction form
    12,396.32/18,591.75 = 3,631.92/x
  3. Step 3: Cross multiply
    12,396.32x = 18,591.75 × 3,631.92
  4. Step 4: Simplify right side
    12,396.32x = 67,523,748.66
  5. Step 5: Solve for x
    x = 67,523,748.66/12,396.32
  6. Step 6: Final answer
    x = 5,447.08

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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.