Home / 11,018.44-16,519.50-5,171.56

Finding the Fourth Proportional to 11,018.44, 16,519.50 and 5,171.56

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Solution

The fourth proportional to 11,018.44, 16,519.50 and 5,171.56 is: 7,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.44 : 16,519.50 = 5,171.56 : x
  2. Step 2: Convert to fraction form
    11,018.44/16,519.50 = 5,171.56/x
  3. Step 3: Cross multiply
    11,018.44x = 16,519.50 × 5,171.56
  4. Step 4: Simplify right side
    11,018.44x = 85,431,585.42
  5. Step 5: Solve for x
    x = 85,431,585.42/11,018.44
  6. Step 6: Final answer
    x = 7,753.51

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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.