Home / 18,023.31-27,034.29-8,162.55

Finding the Fourth Proportional to 18,023.31, 27,034.29 and 8,162.55

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Solution

The fourth proportional to 18,023.31, 27,034.29 and 8,162.55 is: 12,243.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.31 : 27,034.29 = 8,162.55 : x
  2. Step 2: Convert to fraction form
    18,023.31/27,034.29 = 8,162.55/x
  3. Step 3: Cross multiply
    18,023.31x = 27,034.29 × 8,162.55
  4. Step 4: Simplify right side
    18,023.31x = 220,668,743.84
  5. Step 5: Solve for x
    x = 220,668,743.84/18,023.31
  6. Step 6: Final answer
    x = 12,243.52

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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.