Home / 12,451.94-17,183.92-6,786.66

Finding the Fourth Proportional to 12,451.94, 17,183.92 and 6,786.66

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Solution

The fourth proportional to 12,451.94, 17,183.92 and 6,786.66 is: 9,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.94 : 17,183.92 = 6,786.66 : x
  2. Step 2: Convert to fraction form
    12,451.94/17,183.92 = 6,786.66/x
  3. Step 3: Cross multiply
    12,451.94x = 17,183.92 × 6,786.66
  4. Step 4: Simplify right side
    12,451.94x = 116,621,422.51
  5. Step 5: Solve for x
    x = 116,621,422.51/12,451.94
  6. Step 6: Final answer
    x = 9,365.72

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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.