Home / 16,680.47-25,020.73-6,819.75

Finding the Fourth Proportional to 16,680.47, 25,020.73 and 6,819.75

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Solution

The fourth proportional to 16,680.47, 25,020.73 and 6,819.75 is: 10,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.47 : 25,020.73 = 6,819.75 : x
  2. Step 2: Convert to fraction form
    16,680.47/25,020.73 = 6,819.75/x
  3. Step 3: Cross multiply
    16,680.47x = 25,020.73 × 6,819.75
  4. Step 4: Simplify right side
    16,680.47x = 170,635,153.28
  5. Step 5: Solve for x
    x = 170,635,153.28/16,680.47
  6. Step 6: Final answer
    x = 10,229.63

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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.