Home / 22,278.62-33,428.87-9,134.75

Finding the Fourth Proportional to 22,278.62, 33,428.87 and 9,134.75

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Solution

The fourth proportional to 22,278.62, 33,428.87 and 9,134.75 is: 13,706.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278.62 : 33,428.87 = 9,134.75 : x
  2. Step 2: Convert to fraction form
    22,278.62/33,428.87 = 9,134.75/x
  3. Step 3: Cross multiply
    22,278.62x = 33,428.87 × 9,134.75
  4. Step 4: Simplify right side
    22,278.62x = 305,364,324.56
  5. Step 5: Solve for x
    x = 305,364,324.56/22,278.62
  6. Step 6: Final answer
    x = 13,706.61

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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.