Home / 10,131.24-15,123.56-8,753.44

Finding the Fourth Proportional to 10,131.24, 15,123.56 and 8,753.44

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Solution

The fourth proportional to 10,131.24, 15,123.56 and 8,753.44 is: 13,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.24 : 15,123.56 = 8,753.44 : x
  2. Step 2: Convert to fraction form
    10,131.24/15,123.56 = 8,753.44/x
  3. Step 3: Cross multiply
    10,131.24x = 15,123.56 × 8,753.44
  4. Step 4: Simplify right side
    10,131.24x = 132,383,175.05
  5. Step 5: Solve for x
    x = 132,383,175.05/10,131.24
  6. Step 6: Final answer
    x = 13,066.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.