Home / 11,619.44-17,397.26-8,112.95

Finding the Fourth Proportional to 11,619.44, 17,397.26 and 8,112.95

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Solution

The fourth proportional to 11,619.44, 17,397.26 and 8,112.95 is: 12,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.44 : 17,397.26 = 8,112.95 : x
  2. Step 2: Convert to fraction form
    11,619.44/17,397.26 = 8,112.95/x
  3. Step 3: Cross multiply
    11,619.44x = 17,397.26 × 8,112.95
  4. Step 4: Simplify right side
    11,619.44x = 141,143,100.52
  5. Step 5: Solve for x
    x = 141,143,100.52/11,619.44
  6. Step 6: Final answer
    x = 12,147.15

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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.