Home / 11,251.13-16,879.08-3,853.60

Finding the Fourth Proportional to 11,251.13, 16,879.08 and 3,853.60

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Solution

The fourth proportional to 11,251.13, 16,879.08 and 3,853.60 is: 5,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.13 : 16,879.08 = 3,853.60 : x
  2. Step 2: Convert to fraction form
    11,251.13/16,879.08 = 3,853.60/x
  3. Step 3: Cross multiply
    11,251.13x = 16,879.08 × 3,853.60
  4. Step 4: Simplify right side
    11,251.13x = 65,045,242.41
  5. Step 5: Solve for x
    x = 65,045,242.41/11,251.13
  6. Step 6: Final answer
    x = 5,781.22

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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.