Home / 11,239.20-16,857.24-3,843.54

Finding the Fourth Proportional to 11,239.20, 16,857.24 and 3,843.54

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Solution

The fourth proportional to 11,239.20, 16,857.24 and 3,843.54 is: 5,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.20 : 16,857.24 = 3,843.54 : x
  2. Step 2: Convert to fraction form
    11,239.20/16,857.24 = 3,843.54/x
  3. Step 3: Cross multiply
    11,239.20x = 16,857.24 × 3,843.54
  4. Step 4: Simplify right side
    11,239.20x = 64,791,476.23
  5. Step 5: Solve for x
    x = 64,791,476.23/11,239.20
  6. Step 6: Final answer
    x = 5,764.78

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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.