Home / 22,127.85-30,534.71-12,694.41

Finding the Fourth Proportional to 22,127.85, 30,534.71 and 12,694.41

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Solution

The fourth proportional to 22,127.85, 30,534.71 and 12,694.41 is: 17,517.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.85 : 30,534.71 = 12,694.41 : x
  2. Step 2: Convert to fraction form
    22,127.85/30,534.71 = 12,694.41/x
  3. Step 3: Cross multiply
    22,127.85x = 30,534.71 × 12,694.41
  4. Step 4: Simplify right side
    22,127.85x = 387,620,064.50
  5. Step 5: Solve for x
    x = 387,620,064.50/22,127.85
  6. Step 6: Final answer
    x = 17,517.29

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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.