Home / 11,229.97-16,837.44-5,383.39

Finding the Fourth Proportional to 11,229.97, 16,837.44 and 5,383.39

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Solution

The fourth proportional to 11,229.97, 16,837.44 and 5,383.39 is: 8,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.97 : 16,837.44 = 5,383.39 : x
  2. Step 2: Convert to fraction form
    11,229.97/16,837.44 = 5,383.39/x
  3. Step 3: Cross multiply
    11,229.97x = 16,837.44 × 5,383.39
  4. Step 4: Simplify right side
    11,229.97x = 90,642,506.12
  5. Step 5: Solve for x
    x = 90,642,506.12/11,229.97
  6. Step 6: Final answer
    x = 8,071.48

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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.