Home / 17,786.97-26,680.91-8,424.78

Finding the Fourth Proportional to 17,786.97, 26,680.91 and 8,424.78

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Solution

The fourth proportional to 17,786.97, 26,680.91 and 8,424.78 is: 12,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.97 : 26,680.91 = 8,424.78 : x
  2. Step 2: Convert to fraction form
    17,786.97/26,680.91 = 8,424.78/x
  3. Step 3: Cross multiply
    17,786.97x = 26,680.91 × 8,424.78
  4. Step 4: Simplify right side
    17,786.97x = 224,780,754.83
  5. Step 5: Solve for x
    x = 224,780,754.83/17,786.97
  6. Step 6: Final answer
    x = 12,637.38

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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.