Home / 22,192.43-30,625.79-12,121.16

Finding the Fourth Proportional to 22,192.43, 30,625.79 and 12,121.16

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Solution

The fourth proportional to 22,192.43, 30,625.79 and 12,121.16 is: 16,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.43 : 30,625.79 = 12,121.16 : x
  2. Step 2: Convert to fraction form
    22,192.43/30,625.79 = 12,121.16/x
  3. Step 3: Cross multiply
    22,192.43x = 30,625.79 × 12,121.16
  4. Step 4: Simplify right side
    22,192.43x = 371,220,040.11
  5. Step 5: Solve for x
    x = 371,220,040.11/22,192.43
  6. Step 6: Final answer
    x = 16,727.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.