Home / 22,350.46-30,844.38-12,279.61

Finding the Fourth Proportional to 22,350.46, 30,844.38 and 12,279.61

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Solution

The fourth proportional to 22,350.46, 30,844.38 and 12,279.61 is: 16,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.46 : 30,844.38 = 12,279.61 : x
  2. Step 2: Convert to fraction form
    22,350.46/30,844.38 = 12,279.61/x
  3. Step 3: Cross multiply
    22,350.46x = 30,844.38 × 12,279.61
  4. Step 4: Simplify right side
    22,350.46x = 378,756,957.09
  5. Step 5: Solve for x
    x = 378,756,957.09/22,350.46
  6. Step 6: Final answer
    x = 16,946.27

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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.