Home / 17,839.72-26,759.84-8,480.70

Finding the Fourth Proportional to 17,839.72, 26,759.84 and 8,480.70

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Solution

The fourth proportional to 17,839.72, 26,759.84 and 8,480.70 is: 12,721.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,839.72 : 26,759.84 = 8,480.70 : x
  2. Step 2: Convert to fraction form
    17,839.72/26,759.84 = 8,480.70/x
  3. Step 3: Cross multiply
    17,839.72x = 26,759.84 × 8,480.70
  4. Step 4: Simplify right side
    17,839.72x = 226,942,175.09
  5. Step 5: Solve for x
    x = 226,942,175.09/17,839.72
  6. Step 6: Final answer
    x = 12,721.17

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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.