Home / 11,229.24-16,844.88-5,679.12

Finding the Fourth Proportional to 11,229.24, 16,844.88 and 5,679.12

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Solution

The fourth proportional to 11,229.24, 16,844.88 and 5,679.12 is: 8,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.24 : 16,844.88 = 5,679.12 : x
  2. Step 2: Convert to fraction form
    11,229.24/16,844.88 = 5,679.12/x
  3. Step 3: Cross multiply
    11,229.24x = 16,844.88 × 5,679.12
  4. Step 4: Simplify right side
    11,229.24x = 95,664,094.91
  5. Step 5: Solve for x
    x = 95,664,094.91/11,229.24
  6. Step 6: Final answer
    x = 8,519.20

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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.