Home / 22,351.05-30,844.94-12,279.69

Finding the Fourth Proportional to 22,351.05, 30,844.94 and 12,279.69

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Solution

The fourth proportional to 22,351.05, 30,844.94 and 12,279.69 is: 16,946.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.05 : 30,844.94 = 12,279.69 : x
  2. Step 2: Convert to fraction form
    22,351.05/30,844.94 = 12,279.69/x
  3. Step 3: Cross multiply
    22,351.05x = 30,844.94 × 12,279.69
  4. Step 4: Simplify right side
    22,351.05x = 378,766,239.87
  5. Step 5: Solve for x
    x = 378,766,239.87/22,351.05
  6. Step 6: Final answer
    x = 16,946.24

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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.