Home / 10,620.38-15,937.88-3,694.88

Finding the Fourth Proportional to 10,620.38, 15,937.88 and 3,694.88

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Solution

The fourth proportional to 10,620.38, 15,937.88 and 3,694.88 is: 5,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.38 : 15,937.88 = 3,694.88 : x
  2. Step 2: Convert to fraction form
    10,620.38/15,937.88 = 3,694.88/x
  3. Step 3: Cross multiply
    10,620.38x = 15,937.88 × 3,694.88
  4. Step 4: Simplify right side
    10,620.38x = 58,888,554.05
  5. Step 5: Solve for x
    x = 58,888,554.05/10,620.38
  6. Step 6: Final answer
    x = 5,544.86

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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.