Home / 11,028.09-15,218.50-5,992.20

Finding the Fourth Proportional to 11,028.09, 15,218.50 and 5,992.20

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Solution

The fourth proportional to 11,028.09, 15,218.50 and 5,992.20 is: 8,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.09 : 15,218.50 = 5,992.20 : x
  2. Step 2: Convert to fraction form
    11,028.09/15,218.50 = 5,992.20/x
  3. Step 3: Cross multiply
    11,028.09x = 15,218.50 × 5,992.20
  4. Step 4: Simplify right side
    11,028.09x = 91,192,295.70
  5. Step 5: Solve for x
    x = 91,192,295.70/11,028.09
  6. Step 6: Final answer
    x = 8,269.09

Related Problems

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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.