Home / 11,388.44-17,090.37-3,993

Finding the Fourth Proportional to 11,388.44, 17,090.37 and 3,993

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Solution

The fourth proportional to 11,388.44, 17,090.37 and 3,993 is: 5,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.44 : 17,090.37 = 3,993 : x
  2. Step 2: Convert to fraction form
    11,388.44/17,090.37 = 3,993/x
  3. Step 3: Cross multiply
    11,388.44x = 17,090.37 × 3,993
  4. Step 4: Simplify right side
    11,388.44x = 68,241,847.41
  5. Step 5: Solve for x
    x = 68,241,847.41/11,388.44
  6. Step 6: Final answer
    x = 5,992.21

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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.