Home / 22,380.26-30,884.16-12,309.73

Finding the Fourth Proportional to 22,380.26, 30,884.16 and 12,309.73

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Solution

The fourth proportional to 22,380.26, 30,884.16 and 12,309.73 is: 16,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,380.26 : 30,884.16 = 12,309.73 : x
  2. Step 2: Convert to fraction form
    22,380.26/30,884.16 = 12,309.73/x
  3. Step 3: Cross multiply
    22,380.26x = 30,884.16 × 12,309.73
  4. Step 4: Simplify right side
    22,380.26x = 380,175,670.88
  5. Step 5: Solve for x
    x = 380,175,670.88/22,380.26
  6. Step 6: Final answer
    x = 16,987.10

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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.