Home / 10,141.56-15,194.91-9,114.36

Finding the Fourth Proportional to 10,141.56, 15,194.91 and 9,114.36

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Solution

The fourth proportional to 10,141.56, 15,194.91 and 9,114.36 is: 13,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.56 : 15,194.91 = 9,114.36 : x
  2. Step 2: Convert to fraction form
    10,141.56/15,194.91 = 9,114.36/x
  3. Step 3: Cross multiply
    10,141.56x = 15,194.91 × 9,114.36
  4. Step 4: Simplify right side
    10,141.56x = 138,491,879.91
  5. Step 5: Solve for x
    x = 138,491,879.91/10,141.56
  6. Step 6: Final answer
    x = 13,655.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.