Home / 12,661.29-17,471.67-6,995.97

Finding the Fourth Proportional to 12,661.29, 17,471.67 and 6,995.97

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Solution

The fourth proportional to 12,661.29, 17,471.67 and 6,995.97 is: 9,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.29 : 17,471.67 = 6,995.97 : x
  2. Step 2: Convert to fraction form
    12,661.29/17,471.67 = 6,995.97/x
  3. Step 3: Cross multiply
    12,661.29x = 17,471.67 × 6,995.97
  4. Step 4: Simplify right side
    12,661.29x = 122,231,279.17
  5. Step 5: Solve for x
    x = 122,231,279.17/12,661.29
  6. Step 6: Final answer
    x = 9,653.94

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Half scale
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Double scale
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Similar ratio
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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.