Home / 12,451.80-17,183.26-6,786.61

Finding the Fourth Proportional to 12,451.80, 17,183.26 and 6,786.61

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Solution

The fourth proportional to 12,451.80, 17,183.26 and 6,786.61 is: 9,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.80 : 17,183.26 = 6,786.61 : x
  2. Step 2: Convert to fraction form
    12,451.80/17,183.26 = 6,786.61/x
  3. Step 3: Cross multiply
    12,451.80x = 17,183.26 × 6,786.61
  4. Step 4: Simplify right side
    12,451.80x = 116,616,084.15
  5. Step 5: Solve for x
    x = 116,616,084.15/12,451.80
  6. Step 6: Final answer
    x = 9,365.40

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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.