Home / 11,836.80-17,738.28-8,692.14

Finding the Fourth Proportional to 11,836.80, 17,738.28 and 8,692.14

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Solution

The fourth proportional to 11,836.80, 17,738.28 and 8,692.14 is: 13,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.80 : 17,738.28 = 8,692.14 : x
  2. Step 2: Convert to fraction form
    11,836.80/17,738.28 = 8,692.14/x
  3. Step 3: Cross multiply
    11,836.80x = 17,738.28 × 8,692.14
  4. Step 4: Simplify right side
    11,836.80x = 154,183,613.12
  5. Step 5: Solve for x
    x = 154,183,613.12/11,836.80
  6. Step 6: Final answer
    x = 13,025.79

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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.