Home / 19,806.82-29,691.62-6,649.97

Finding the Fourth Proportional to 19,806.82, 29,691.62 and 6,649.97

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Solution

The fourth proportional to 19,806.82, 29,691.62 and 6,649.97 is: 9,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.82 : 29,691.62 = 6,649.97 : x
  2. Step 2: Convert to fraction form
    19,806.82/29,691.62 = 6,649.97/x
  3. Step 3: Cross multiply
    19,806.82x = 29,691.62 × 6,649.97
  4. Step 4: Simplify right side
    19,806.82x = 197,448,250.42
  5. Step 5: Solve for x
    x = 197,448,250.42/19,806.82
  6. Step 6: Final answer
    x = 9,968.70

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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.