Home / 22,262.92-30,722.27-12,191.78

Finding the Fourth Proportional to 22,262.92, 30,722.27 and 12,191.78

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Solution

The fourth proportional to 22,262.92, 30,722.27 and 12,191.78 is: 16,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,262.92 : 30,722.27 = 12,191.78 : x
  2. Step 2: Convert to fraction form
    22,262.92/30,722.27 = 12,191.78/x
  3. Step 3: Cross multiply
    22,262.92x = 30,722.27 × 12,191.78
  4. Step 4: Simplify right side
    22,262.92x = 374,559,172.79
  5. Step 5: Solve for x
    x = 374,559,172.79/22,262.92
  6. Step 6: Final answer
    x = 16,824.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.