Home / 22,376.62-30,879.97-12,305.14

Finding the Fourth Proportional to 22,376.62, 30,879.97 and 12,305.14

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Solution

The fourth proportional to 22,376.62, 30,879.97 and 12,305.14 is: 16,981.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.62 : 30,879.97 = 12,305.14 : x
  2. Step 2: Convert to fraction form
    22,376.62/30,879.97 = 12,305.14/x
  3. Step 3: Cross multiply
    22,376.62x = 30,879.97 × 12,305.14
  4. Step 4: Simplify right side
    22,376.62x = 379,982,246.08
  5. Step 5: Solve for x
    x = 379,982,246.08/22,376.62
  6. Step 6: Final answer
    x = 16,981.22

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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.