Home / 18,146.58-25,043.53-10,081.21

Finding the Fourth Proportional to 18,146.58, 25,043.53 and 10,081.21

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Solution

The fourth proportional to 18,146.58, 25,043.53 and 10,081.21 is: 13,912.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.58 : 25,043.53 = 10,081.21 : x
  2. Step 2: Convert to fraction form
    18,146.58/25,043.53 = 10,081.21/x
  3. Step 3: Cross multiply
    18,146.58x = 25,043.53 × 10,081.21
  4. Step 4: Simplify right side
    18,146.58x = 252,469,063.12
  5. Step 5: Solve for x
    x = 252,469,063.12/18,146.58
  6. Step 6: Final answer
    x = 13,912.76

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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.