Home / 10,821.24-16,233.97-4,157.25

Finding the Fourth Proportional to 10,821.24, 16,233.97 and 4,157.25

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Solution

The fourth proportional to 10,821.24, 16,233.97 and 4,157.25 is: 6,236.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.24 : 16,233.97 = 4,157.25 : x
  2. Step 2: Convert to fraction form
    10,821.24/16,233.97 = 4,157.25/x
  3. Step 3: Cross multiply
    10,821.24x = 16,233.97 × 4,157.25
  4. Step 4: Simplify right side
    10,821.24x = 67,488,651.00
  5. Step 5: Solve for x
    x = 67,488,651.00/10,821.24
  6. Step 6: Final answer
    x = 6,236.68

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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.