Home / 19,784.82-29,680.17-5,744.97

Finding the Fourth Proportional to 19,784.82, 29,680.17 and 5,744.97

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Solution

The fourth proportional to 19,784.82, 29,680.17 and 5,744.97 is: 8,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.82 : 29,680.17 = 5,744.97 : x
  2. Step 2: Convert to fraction form
    19,784.82/29,680.17 = 5,744.97/x
  3. Step 3: Cross multiply
    19,784.82x = 29,680.17 × 5,744.97
  4. Step 4: Simplify right side
    19,784.82x = 170,511,686.24
  5. Step 5: Solve for x
    x = 170,511,686.24/19,784.82
  6. Step 6: Final answer
    x = 8,618.31

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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.