Home / 16,121.28-24,181.92-7,350

Finding the Fourth Proportional to 16,121.28, 24,181.92 and 7,350

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Solution

The fourth proportional to 16,121.28, 24,181.92 and 7,350 is: 11,025

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.28 : 24,181.92 = 7,350 : x
  2. Step 2: Convert to fraction form
    16,121.28/24,181.92 = 7,350/x
  3. Step 3: Cross multiply
    16,121.28x = 24,181.92 × 7,350
  4. Step 4: Simplify right side
    16,121.28x = 177,737,112
  5. Step 5: Solve for x
    x = 177,737,112/16,121.28
  6. Step 6: Final answer
    x = 11,025

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.