Home / 11,221.20-16,832.28-3,825.36

Finding the Fourth Proportional to 11,221.20, 16,832.28 and 3,825.36

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Solution

The fourth proportional to 11,221.20, 16,832.28 and 3,825.36 is: 5,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221.20 : 16,832.28 = 3,825.36 : x
  2. Step 2: Convert to fraction form
    11,221.20/16,832.28 = 3,825.36/x
  3. Step 3: Cross multiply
    11,221.20x = 16,832.28 × 3,825.36
  4. Step 4: Simplify right side
    11,221.20x = 64,389,530.62
  5. Step 5: Solve for x
    x = 64,389,530.62/11,221.20
  6. Step 6: Final answer
    x = 5,738.20

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1.5x scale

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.