Home / 11,694.97-16,140.01-6,660.77

Finding the Fourth Proportional to 11,694.97, 16,140.01 and 6,660.77

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Solution

The fourth proportional to 11,694.97, 16,140.01 and 6,660.77 is: 9,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.97 : 16,140.01 = 6,660.77 : x
  2. Step 2: Convert to fraction form
    11,694.97/16,140.01 = 6,660.77/x
  3. Step 3: Cross multiply
    11,694.97x = 16,140.01 × 6,660.77
  4. Step 4: Simplify right side
    11,694.97x = 107,504,809.54
  5. Step 5: Solve for x
    x = 107,504,809.54/11,694.97
  6. Step 6: Final answer
    x = 9,192.40

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Half scale
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Double scale
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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.