Home / 19,498.33-29,250.38-5,645.53

Finding the Fourth Proportional to 19,498.33, 29,250.38 and 5,645.53

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Solution

The fourth proportional to 19,498.33, 29,250.38 and 5,645.53 is: 8,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.33 : 29,250.38 = 5,645.53 : x
  2. Step 2: Convert to fraction form
    19,498.33/29,250.38 = 5,645.53/x
  3. Step 3: Cross multiply
    19,498.33x = 29,250.38 × 5,645.53
  4. Step 4: Simplify right side
    19,498.33x = 165,133,897.80
  5. Step 5: Solve for x
    x = 165,133,897.80/19,498.33
  6. Step 6: Final answer
    x = 8,469.13

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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.