Home / 22,350.09-30,843.09-12,278.79

Finding the Fourth Proportional to 22,350.09, 30,843.09 and 12,278.79

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Solution

The fourth proportional to 22,350.09, 30,843.09 and 12,278.79 is: 16,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.09 : 30,843.09 = 12,278.79 : x
  2. Step 2: Convert to fraction form
    22,350.09/30,843.09 = 12,278.79/x
  3. Step 3: Cross multiply
    22,350.09x = 30,843.09 × 12,278.79
  4. Step 4: Simplify right side
    22,350.09x = 378,715,825.06
  5. Step 5: Solve for x
    x = 378,715,825.06/22,350.09
  6. Step 6: Final answer
    x = 16,944.71

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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.