Home / 11,028.72-15,219.57-5,992.92

Finding the Fourth Proportional to 11,028.72, 15,219.57 and 5,992.92

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Solution

The fourth proportional to 11,028.72, 15,219.57 and 5,992.92 is: 8,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.72 : 15,219.57 = 5,992.92 : x
  2. Step 2: Convert to fraction form
    11,028.72/15,219.57 = 5,992.92/x
  3. Step 3: Cross multiply
    11,028.72x = 15,219.57 × 5,992.92
  4. Step 4: Simplify right side
    11,028.72x = 91,209,665.44
  5. Step 5: Solve for x
    x = 91,209,665.44/11,028.72
  6. Step 6: Final answer
    x = 8,270.20

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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.