Home / 16,940.77-25,378.35-8,181.83

Finding the Fourth Proportional to 16,940.77, 25,378.35 and 8,181.83

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Solution

The fourth proportional to 16,940.77, 25,378.35 and 8,181.83 is: 12,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.77 : 25,378.35 = 8,181.83 : x
  2. Step 2: Convert to fraction form
    16,940.77/25,378.35 = 8,181.83/x
  3. Step 3: Cross multiply
    16,940.77x = 25,378.35 × 8,181.83
  4. Step 4: Simplify right side
    16,940.77x = 207,641,304.47
  5. Step 5: Solve for x
    x = 207,641,304.47/16,940.77
  6. Step 6: Final answer
    x = 12,256.90

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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.