Home / 22,350.30-30,843.36-12,279.42

Finding the Fourth Proportional to 22,350.30, 30,843.36 and 12,279.42

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Solution

The fourth proportional to 22,350.30, 30,843.36 and 12,279.42 is: 16,945.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.30 : 30,843.36 = 12,279.42 : x
  2. Step 2: Convert to fraction form
    22,350.30/30,843.36 = 12,279.42/x
  3. Step 3: Cross multiply
    22,350.30x = 30,843.36 × 12,279.42
  4. Step 4: Simplify right side
    22,350.30x = 378,738,571.65
  5. Step 5: Solve for x
    x = 378,738,571.65/22,350.30
  6. Step 6: Final answer
    x = 16,945.57

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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.