Home / 11,028.30-16,542.45-3,630.75

Finding the Fourth Proportional to 11,028.30, 16,542.45 and 3,630.75

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Solution

The fourth proportional to 11,028.30, 16,542.45 and 3,630.75 is: 5,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.30 : 16,542.45 = 3,630.75 : x
  2. Step 2: Convert to fraction form
    11,028.30/16,542.45 = 3,630.75/x
  3. Step 3: Cross multiply
    11,028.30x = 16,542.45 × 3,630.75
  4. Step 4: Simplify right side
    11,028.30x = 60,061,500.34
  5. Step 5: Solve for x
    x = 60,061,500.34/11,028.30
  6. Step 6: Final answer
    x = 5,446.13

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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.