Home / 11,028.18-16,538.66-3,630.90

Finding the Fourth Proportional to 11,028.18, 16,538.66 and 3,630.90

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Solution

The fourth proportional to 11,028.18, 16,538.66 and 3,630.90 is: 5,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.18 : 16,538.66 = 3,630.90 : x
  2. Step 2: Convert to fraction form
    11,028.18/16,538.66 = 3,630.90/x
  3. Step 3: Cross multiply
    11,028.18x = 16,538.66 × 3,630.90
  4. Step 4: Simplify right side
    11,028.18x = 60,050,220.59
  5. Step 5: Solve for x
    x = 60,050,220.59/11,028.18
  6. Step 6: Final answer
    x = 5,445.16

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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.