Home / 11,149.20-16,707.60-9,496.80

Finding the Fourth Proportional to 11,149.20, 16,707.60 and 9,496.80

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Solution

The fourth proportional to 11,149.20, 16,707.60 and 9,496.80 is: 14,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.20 : 16,707.60 = 9,496.80 : x
  2. Step 2: Convert to fraction form
    11,149.20/16,707.60 = 9,496.80/x
  3. Step 3: Cross multiply
    11,149.20x = 16,707.60 × 9,496.80
  4. Step 4: Simplify right side
    11,149.20x = 158,668,735.68
  5. Step 5: Solve for x
    x = 158,668,735.68/11,149.20
  6. Step 6: Final answer
    x = 14,231.40

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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.