Home / 22,440.13-30,967.19-12,231.14

Finding the Fourth Proportional to 22,440.13, 30,967.19 and 12,231.14

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Solution

The fourth proportional to 22,440.13, 30,967.19 and 12,231.14 is: 16,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.13 : 30,967.19 = 12,231.14 : x
  2. Step 2: Convert to fraction form
    22,440.13/30,967.19 = 12,231.14/x
  3. Step 3: Cross multiply
    22,440.13x = 30,967.19 × 12,231.14
  4. Step 4: Simplify right side
    22,440.13x = 378,763,912.04
  5. Step 5: Solve for x
    x = 378,763,912.04/22,440.13
  6. Step 6: Final answer
    x = 16,878.87

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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.