Home / 18,147.17-27,228.46-8,794.15

Finding the Fourth Proportional to 18,147.17, 27,228.46 and 8,794.15

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Solution

The fourth proportional to 18,147.17, 27,228.46 and 8,794.15 is: 13,194.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.17 : 27,228.46 = 8,794.15 : x
  2. Step 2: Convert to fraction form
    18,147.17/27,228.46 = 8,794.15/x
  3. Step 3: Cross multiply
    18,147.17x = 27,228.46 × 8,794.15
  4. Step 4: Simplify right side
    18,147.17x = 239,451,139.52
  5. Step 5: Solve for x
    x = 239,451,139.52/18,147.17
  6. Step 6: Final answer
    x = 13,194.96

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1.5x scale

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.