Home / 11,103.40-16,636.38-6,707.44

Finding the Fourth Proportional to 11,103.40, 16,636.38 and 6,707.44

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Solution

The fourth proportional to 11,103.40, 16,636.38 and 6,707.44 is: 10,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.40 : 16,636.38 = 6,707.44 : x
  2. Step 2: Convert to fraction form
    11,103.40/16,636.38 = 6,707.44/x
  3. Step 3: Cross multiply
    11,103.40x = 16,636.38 × 6,707.44
  4. Step 4: Simplify right side
    11,103.40x = 111,587,520.67
  5. Step 5: Solve for x
    x = 111,587,520.67/11,103.40
  6. Step 6: Final answer
    x = 10,049.85

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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.