Home / 18,145.33-27,218.94-4,997.41

Finding the Fourth Proportional to 18,145.33, 27,218.94 and 4,997.41

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Solution

The fourth proportional to 18,145.33, 27,218.94 and 4,997.41 is: 7,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.33 : 27,218.94 = 4,997.41 : x
  2. Step 2: Convert to fraction form
    18,145.33/27,218.94 = 4,997.41/x
  3. Step 3: Cross multiply
    18,145.33x = 27,218.94 × 4,997.41
  4. Step 4: Simplify right side
    18,145.33x = 136,024,202.95
  5. Step 5: Solve for x
    x = 136,024,202.95/18,145.33
  6. Step 6: Final answer
    x = 7,496.38

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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.