Home / 18,111.44-24,997.28-11,812.88

Finding the Fourth Proportional to 18,111.44, 24,997.28 and 11,812.88

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Solution

The fourth proportional to 18,111.44, 24,997.28 and 11,812.88 is: 16,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.44 : 24,997.28 = 11,812.88 : x
  2. Step 2: Convert to fraction form
    18,111.44/24,997.28 = 11,812.88/x
  3. Step 3: Cross multiply
    18,111.44x = 24,997.28 × 11,812.88
  4. Step 4: Simplify right side
    18,111.44x = 295,289,868.97
  5. Step 5: Solve for x
    x = 295,289,868.97/18,111.44
  6. Step 6: Final answer
    x = 16,304.05

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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.