Home / 12,194.12-18,291.20-2,960.12

Finding the Fourth Proportional to 12,194.12, 18,291.20 and 2,960.12

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Solution

The fourth proportional to 12,194.12, 18,291.20 and 2,960.12 is: 4,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.12 : 18,291.20 = 2,960.12 : x
  2. Step 2: Convert to fraction form
    12,194.12/18,291.20 = 2,960.12/x
  3. Step 3: Cross multiply
    12,194.12x = 18,291.20 × 2,960.12
  4. Step 4: Simplify right side
    12,194.12x = 54,144,146.94
  5. Step 5: Solve for x
    x = 54,144,146.94/12,194.12
  6. Step 6: Final answer
    x = 4,440.18

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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.