Home / 22,170.97-30,593.42-12,742.57

Finding the Fourth Proportional to 22,170.97, 30,593.42 and 12,742.57

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Solution

The fourth proportional to 22,170.97, 30,593.42 and 12,742.57 is: 17,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.97 : 30,593.42 = 12,742.57 : x
  2. Step 2: Convert to fraction form
    22,170.97/30,593.42 = 12,742.57/x
  3. Step 3: Cross multiply
    22,170.97x = 30,593.42 × 12,742.57
  4. Step 4: Simplify right side
    22,170.97x = 389,838,751.26
  5. Step 5: Solve for x
    x = 389,838,751.26/22,170.97
  6. Step 6: Final answer
    x = 17,583.30

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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.