Home / 22,350.48-30,843.68-12,279.57

Finding the Fourth Proportional to 22,350.48, 30,843.68 and 12,279.57

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Solution

The fourth proportional to 22,350.48, 30,843.68 and 12,279.57 is: 16,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.48 : 30,843.68 = 12,279.57 : x
  2. Step 2: Convert to fraction form
    22,350.48/30,843.68 = 12,279.57/x
  3. Step 3: Cross multiply
    22,350.48x = 30,843.68 × 12,279.57
  4. Step 4: Simplify right side
    22,350.48x = 378,747,066.22
  5. Step 5: Solve for x
    x = 378,747,066.22/22,350.48
  6. Step 6: Final answer
    x = 16,945.81

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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.