Home / 22,451.86-30,983.78-12,380.04

Finding the Fourth Proportional to 22,451.86, 30,983.78 and 12,380.04

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Solution

The fourth proportional to 22,451.86, 30,983.78 and 12,380.04 is: 17,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.86 : 30,983.78 = 12,380.04 : x
  2. Step 2: Convert to fraction form
    22,451.86/30,983.78 = 12,380.04/x
  3. Step 3: Cross multiply
    22,451.86x = 30,983.78 × 12,380.04
  4. Step 4: Simplify right side
    22,451.86x = 383,580,466.70
  5. Step 5: Solve for x
    x = 383,580,466.70/22,451.86
  6. Step 6: Final answer
    x = 17,084.57

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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.