Home / 18,321.46-25,296.42-16,180.60

Finding the Fourth Proportional to 18,321.46, 25,296.42 and 16,180.60

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Solution

The fourth proportional to 18,321.46, 25,296.42 and 16,180.60 is: 22,340.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.46 : 25,296.42 = 16,180.60 : x
  2. Step 2: Convert to fraction form
    18,321.46/25,296.42 = 16,180.60/x
  3. Step 3: Cross multiply
    18,321.46x = 25,296.42 × 16,180.60
  4. Step 4: Simplify right side
    18,321.46x = 409,311,253.45
  5. Step 5: Solve for x
    x = 409,311,253.45/18,321.46
  6. Step 6: Final answer
    x = 22,340.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.