Home / 11,028.15-16,538.67-3,630.85

Finding the Fourth Proportional to 11,028.15, 16,538.67 and 3,630.85

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Solution

The fourth proportional to 11,028.15, 16,538.67 and 3,630.85 is: 5,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.15 : 16,538.67 = 3,630.85 : x
  2. Step 2: Convert to fraction form
    11,028.15/16,538.67 = 3,630.85/x
  3. Step 3: Cross multiply
    11,028.15x = 16,538.67 × 3,630.85
  4. Step 4: Simplify right side
    11,028.15x = 60,049,388.62
  5. Step 5: Solve for x
    x = 60,049,388.62/11,028.15
  6. Step 6: Final answer
    x = 5,445.10

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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.