Home / 20,121.73-30,183.24-9,592.90

Finding the Fourth Proportional to 20,121.73, 30,183.24 and 9,592.90

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Solution

The fourth proportional to 20,121.73, 30,183.24 and 9,592.90 is: 14,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121.73 : 30,183.24 = 9,592.90 : x
  2. Step 2: Convert to fraction form
    20,121.73/30,183.24 = 9,592.90/x
  3. Step 3: Cross multiply
    20,121.73x = 30,183.24 × 9,592.90
  4. Step 4: Simplify right side
    20,121.73x = 289,544,803.00
  5. Step 5: Solve for x
    x = 289,544,803.00/20,121.73
  6. Step 6: Final answer
    x = 14,389.66

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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.