Home / 10,523.26-15,785.75-3,127.73

Finding the Fourth Proportional to 10,523.26, 15,785.75 and 3,127.73

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Solution

The fourth proportional to 10,523.26, 15,785.75 and 3,127.73 is: 4,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.26 : 15,785.75 = 3,127.73 : x
  2. Step 2: Convert to fraction form
    10,523.26/15,785.75 = 3,127.73/x
  3. Step 3: Cross multiply
    10,523.26x = 15,785.75 × 3,127.73
  4. Step 4: Simplify right side
    10,523.26x = 49,373,563.85
  5. Step 5: Solve for x
    x = 49,373,563.85/10,523.26
  6. Step 6: Final answer
    x = 4,691.85

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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.