Home / 22,192.68-30,626.13-12,121.41

Finding the Fourth Proportional to 22,192.68, 30,626.13 and 12,121.41

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Solution

The fourth proportional to 22,192.68, 30,626.13 and 12,121.41 is: 16,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.68 : 30,626.13 = 12,121.41 : x
  2. Step 2: Convert to fraction form
    22,192.68/30,626.13 = 12,121.41/x
  3. Step 3: Cross multiply
    22,192.68x = 30,626.13 × 12,121.41
  4. Step 4: Simplify right side
    22,192.68x = 371,231,878.44
  5. Step 5: Solve for x
    x = 371,231,878.44/22,192.68
  6. Step 6: Final answer
    x = 16,727.67

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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.