Home / 22,451.66-30,982.62-12,380.09

Finding the Fourth Proportional to 22,451.66, 30,982.62 and 12,380.09

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Solution

The fourth proportional to 22,451.66, 30,982.62 and 12,380.09 is: 17,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,451.66 : 30,982.62 = 12,380.09 : x
  2. Step 2: Convert to fraction form
    22,451.66/30,982.62 = 12,380.09/x
  3. Step 3: Cross multiply
    22,451.66x = 30,982.62 × 12,380.09
  4. Step 4: Simplify right side
    22,451.66x = 383,567,701.49
  5. Step 5: Solve for x
    x = 383,567,701.49/22,451.66
  6. Step 6: Final answer
    x = 17,084.16

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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.