Home / 10,504.38-15,754.29-3,107.58

Finding the Fourth Proportional to 10,504.38, 15,754.29 and 3,107.58

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Solution

The fourth proportional to 10,504.38, 15,754.29 and 3,107.58 is: 4,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.38 : 15,754.29 = 3,107.58 : x
  2. Step 2: Convert to fraction form
    10,504.38/15,754.29 = 3,107.58/x
  3. Step 3: Cross multiply
    10,504.38x = 15,754.29 × 3,107.58
  4. Step 4: Simplify right side
    10,504.38x = 48,957,716.52
  5. Step 5: Solve for x
    x = 48,957,716.52/10,504.38
  6. Step 6: Final answer
    x = 4,660.70

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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.