Home / 8,694.39-11,982.18-6,176.61

Finding the Fourth Proportional to 8,694.39, 11,982.18 and 6,176.61

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Solution

The fourth proportional to 8,694.39, 11,982.18 and 6,176.61 is: 8,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694.39 : 11,982.18 = 6,176.61 : x
  2. Step 2: Convert to fraction form
    8,694.39/11,982.18 = 6,176.61/x
  3. Step 3: Cross multiply
    8,694.39x = 11,982.18 × 6,176.61
  4. Step 4: Simplify right side
    8,694.39x = 74,009,252.81
  5. Step 5: Solve for x
    x = 74,009,252.81/8,694.39
  6. Step 6: Final answer
    x = 8,512.30

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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.