Home / 20,183.60-30,275.42-9,088.22

Finding the Fourth Proportional to 20,183.60, 30,275.42 and 9,088.22

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Solution

The fourth proportional to 20,183.60, 30,275.42 and 9,088.22 is: 13,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.60 : 30,275.42 = 9,088.22 : x
  2. Step 2: Convert to fraction form
    20,183.60/30,275.42 = 9,088.22/x
  3. Step 3: Cross multiply
    20,183.60x = 30,275.42 × 9,088.22
  4. Step 4: Simplify right side
    20,183.60x = 275,149,480.73
  5. Step 5: Solve for x
    x = 275,149,480.73/20,183.60
  6. Step 6: Final answer
    x = 13,632.33

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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.