Home / 10,620.28-15,937.68-3,694.78

Finding the Fourth Proportional to 10,620.28, 15,937.68 and 3,694.78

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Solution

The fourth proportional to 10,620.28, 15,937.68 and 3,694.78 is: 5,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.28 : 15,937.68 = 3,694.78 : x
  2. Step 2: Convert to fraction form
    10,620.28/15,937.68 = 3,694.78/x
  3. Step 3: Cross multiply
    10,620.28x = 15,937.68 × 3,694.78
  4. Step 4: Simplify right side
    10,620.28x = 58,886,221.31
  5. Step 5: Solve for x
    x = 58,886,221.31/10,620.28
  6. Step 6: Final answer
    x = 5,544.70

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1.5x scale

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.