Home / 17,781.39-26,651.55-6,680.97

Finding the Fourth Proportional to 17,781.39, 26,651.55 and 6,680.97

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Solution

The fourth proportional to 17,781.39, 26,651.55 and 6,680.97 is: 10,013.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.39 : 26,651.55 = 6,680.97 : x
  2. Step 2: Convert to fraction form
    17,781.39/26,651.55 = 6,680.97/x
  3. Step 3: Cross multiply
    17,781.39x = 26,651.55 × 6,680.97
  4. Step 4: Simplify right side
    17,781.39x = 178,058,206.00
  5. Step 5: Solve for x
    x = 178,058,206.00/17,781.39
  6. Step 6: Final answer
    x = 10,013.74

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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.