Home / 12,151.68-18,227.52-4,260.12

Finding the Fourth Proportional to 12,151.68, 18,227.52 and 4,260.12

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Solution

The fourth proportional to 12,151.68, 18,227.52 and 4,260.12 is: 6,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.68 : 18,227.52 = 4,260.12 : x
  2. Step 2: Convert to fraction form
    12,151.68/18,227.52 = 4,260.12/x
  3. Step 3: Cross multiply
    12,151.68x = 18,227.52 × 4,260.12
  4. Step 4: Simplify right side
    12,151.68x = 77,651,422.50
  5. Step 5: Solve for x
    x = 77,651,422.50/12,151.68
  6. Step 6: Final answer
    x = 6,390.18

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Similar ratio
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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.