Home / 20,180.06-30,233.56-11,284.73

Finding the Fourth Proportional to 20,180.06, 30,233.56 and 11,284.73

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Solution

The fourth proportional to 20,180.06, 30,233.56 and 11,284.73 is: 16,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.06 : 30,233.56 = 11,284.73 : x
  2. Step 2: Convert to fraction form
    20,180.06/30,233.56 = 11,284.73/x
  3. Step 3: Cross multiply
    20,180.06x = 30,233.56 × 11,284.73
  4. Step 4: Simplify right side
    20,180.06x = 341,177,561.54
  5. Step 5: Solve for x
    x = 341,177,561.54/20,180.06
  6. Step 6: Final answer
    x = 16,906.67

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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.