Home / 16,908.20-25,359.90-5,222.60

Finding the Fourth Proportional to 16,908.20, 25,359.90 and 5,222.60

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Solution

The fourth proportional to 16,908.20, 25,359.90 and 5,222.60 is: 7,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.20 : 25,359.90 = 5,222.60 : x
  2. Step 2: Convert to fraction form
    16,908.20/25,359.90 = 5,222.60/x
  3. Step 3: Cross multiply
    16,908.20x = 25,359.90 × 5,222.60
  4. Step 4: Simplify right side
    16,908.20x = 132,444,613.74
  5. Step 5: Solve for x
    x = 132,444,613.74/16,908.20
  6. Step 6: Final answer
    x = 7,833.16

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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.