Home / 17,958.06-26,951.13-12,450.20

Finding the Fourth Proportional to 17,958.06, 26,951.13 and 12,450.20

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Solution

The fourth proportional to 17,958.06, 26,951.13 and 12,450.20 is: 18,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.06 : 26,951.13 = 12,450.20 : x
  2. Step 2: Convert to fraction form
    17,958.06/26,951.13 = 12,450.20/x
  3. Step 3: Cross multiply
    17,958.06x = 26,951.13 × 12,450.20
  4. Step 4: Simplify right side
    17,958.06x = 335,546,823.97
  5. Step 5: Solve for x
    x = 335,546,823.97/17,958.06
  6. Step 6: Final answer
    x = 18,685.03

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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.