Home / 22,394.89-30,909.41-12,841.21

Finding the Fourth Proportional to 22,394.89, 30,909.41 and 12,841.21

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Solution

The fourth proportional to 22,394.89, 30,909.41 and 12,841.21 is: 17,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.89 : 30,909.41 = 12,841.21 : x
  2. Step 2: Convert to fraction form
    22,394.89/30,909.41 = 12,841.21/x
  3. Step 3: Cross multiply
    22,394.89x = 30,909.41 × 12,841.21
  4. Step 4: Simplify right side
    22,394.89x = 396,914,224.79
  5. Step 5: Solve for x
    x = 396,914,224.79/22,394.89
  6. Step 6: Final answer
    x = 17,723.43

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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.