Home / 11,028.08-16,538.60-3,630.90

Finding the Fourth Proportional to 11,028.08, 16,538.60 and 3,630.90

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Solution

The fourth proportional to 11,028.08, 16,538.60 and 3,630.90 is: 5,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.08 : 16,538.60 = 3,630.90 : x
  2. Step 2: Convert to fraction form
    11,028.08/16,538.60 = 3,630.90/x
  3. Step 3: Cross multiply
    11,028.08x = 16,538.60 × 3,630.90
  4. Step 4: Simplify right side
    11,028.08x = 60,050,002.74
  5. Step 5: Solve for x
    x = 60,050,002.74/11,028.08
  6. Step 6: Final answer
    x = 5,445.19

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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.