Home / 20,229.54-30,357.27-9,835.62

Finding the Fourth Proportional to 20,229.54, 30,357.27 and 9,835.62

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Solution

The fourth proportional to 20,229.54, 30,357.27 and 9,835.62 is: 14,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.54 : 30,357.27 = 9,835.62 : x
  2. Step 2: Convert to fraction form
    20,229.54/30,357.27 = 9,835.62/x
  3. Step 3: Cross multiply
    20,229.54x = 30,357.27 × 9,835.62
  4. Step 4: Simplify right side
    20,229.54x = 298,582,571.96
  5. Step 5: Solve for x
    x = 298,582,571.96/20,229.54
  6. Step 6: Final answer
    x = 14,759.73

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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.