Home / 16,817.80-25,204-6,423.88

Finding the Fourth Proportional to 16,817.80, 25,204 and 6,423.88

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Solution

The fourth proportional to 16,817.80, 25,204 and 6,423.88 is: 9,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.80 : 25,204 = 6,423.88 : x
  2. Step 2: Convert to fraction form
    16,817.80/25,204 = 6,423.88/x
  3. Step 3: Cross multiply
    16,817.80x = 25,204 × 6,423.88
  4. Step 4: Simplify right side
    16,817.80x = 161,907,471.52
  5. Step 5: Solve for x
    x = 161,907,471.52/16,817.80
  6. Step 6: Final answer
    x = 9,627.15

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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.