Home / 12,227.76-18,341.68-2,993.76

Finding the Fourth Proportional to 12,227.76, 18,341.68 and 2,993.76

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Solution

The fourth proportional to 12,227.76, 18,341.68 and 2,993.76 is: 4,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.76 : 18,341.68 = 2,993.76 : x
  2. Step 2: Convert to fraction form
    12,227.76/18,341.68 = 2,993.76/x
  3. Step 3: Cross multiply
    12,227.76x = 18,341.68 × 2,993.76
  4. Step 4: Simplify right side
    12,227.76x = 54,910,587.92
  5. Step 5: Solve for x
    x = 54,910,587.92/12,227.76
  6. Step 6: Final answer
    x = 4,490.65

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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.