Home / 19,982.28-29,968.56-9,451.88

Finding the Fourth Proportional to 19,982.28, 29,968.56 and 9,451.88

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Solution

The fourth proportional to 19,982.28, 29,968.56 and 9,451.88 is: 14,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.28 : 29,968.56 = 9,451.88 : x
  2. Step 2: Convert to fraction form
    19,982.28/29,968.56 = 9,451.88/x
  3. Step 3: Cross multiply
    19,982.28x = 29,968.56 × 9,451.88
  4. Step 4: Simplify right side
    19,982.28x = 283,259,232.89
  5. Step 5: Solve for x
    x = 283,259,232.89/19,982.28
  6. Step 6: Final answer
    x = 14,175.52

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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.