Home / 22,115.39-33,180.37-8,079.71

Finding the Fourth Proportional to 22,115.39, 33,180.37 and 8,079.71

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Solution

The fourth proportional to 22,115.39, 33,180.37 and 8,079.71 is: 12,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.39 : 33,180.37 = 8,079.71 : x
  2. Step 2: Convert to fraction form
    22,115.39/33,180.37 = 8,079.71/x
  3. Step 3: Cross multiply
    22,115.39x = 33,180.37 × 8,079.71
  4. Step 4: Simplify right side
    22,115.39x = 268,087,581.19
  5. Step 5: Solve for x
    x = 268,087,581.19/22,115.39
  6. Step 6: Final answer
    x = 12,122.22

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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.