Home / 22,272.85-30,739.13-12,841.75

Finding the Fourth Proportional to 22,272.85, 30,739.13 and 12,841.75

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Solution

The fourth proportional to 22,272.85, 30,739.13 and 12,841.75 is: 17,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.85 : 30,739.13 = 12,841.75 : x
  2. Step 2: Convert to fraction form
    22,272.85/30,739.13 = 12,841.75/x
  3. Step 3: Cross multiply
    22,272.85x = 30,739.13 × 12,841.75
  4. Step 4: Simplify right side
    22,272.85x = 394,744,222.68
  5. Step 5: Solve for x
    x = 394,744,222.68/22,272.85
  6. Step 6: Final answer
    x = 17,723.11

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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.