Home / 18,170.72-25,052.46-12,192.92

Finding the Fourth Proportional to 18,170.72, 25,052.46 and 12,192.92

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Solution

The fourth proportional to 18,170.72, 25,052.46 and 12,192.92 is: 16,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.72 : 25,052.46 = 12,192.92 : x
  2. Step 2: Convert to fraction form
    18,170.72/25,052.46 = 12,192.92/x
  3. Step 3: Cross multiply
    18,170.72x = 25,052.46 × 12,192.92
  4. Step 4: Simplify right side
    18,170.72x = 305,462,640.58
  5. Step 5: Solve for x
    x = 305,462,640.58/18,170.72
  6. Step 6: Final answer
    x = 16,810.71

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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.