Home / 18,159.14-27,241.31-8,791.47

Finding the Fourth Proportional to 18,159.14, 27,241.31 and 8,791.47

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Solution

The fourth proportional to 18,159.14, 27,241.31 and 8,791.47 is: 13,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.14 : 27,241.31 = 8,791.47 : x
  2. Step 2: Convert to fraction form
    18,159.14/27,241.31 = 8,791.47/x
  3. Step 3: Cross multiply
    18,159.14x = 27,241.31 × 8,791.47
  4. Step 4: Simplify right side
    18,159.14x = 239,491,181.60
  5. Step 5: Solve for x
    x = 239,491,181.60/18,159.14
  6. Step 6: Final answer
    x = 13,188.46

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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.