Home / 11,015.97-16,518.47-3,995.70

Finding the Fourth Proportional to 11,015.97, 16,518.47 and 3,995.70

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Solution

The fourth proportional to 11,015.97, 16,518.47 and 3,995.70 is: 5,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.97 : 16,518.47 = 3,995.70 : x
  2. Step 2: Convert to fraction form
    11,015.97/16,518.47 = 3,995.70/x
  3. Step 3: Cross multiply
    11,015.97x = 16,518.47 × 3,995.70
  4. Step 4: Simplify right side
    11,015.97x = 66,002,830.60
  5. Step 5: Solve for x
    x = 66,002,830.60/11,015.97
  6. Step 6: Final answer
    x = 5,991.56

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.