Home / 11,398.82-17,087.90-3,999.25

Finding the Fourth Proportional to 11,398.82, 17,087.90 and 3,999.25

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Solution

The fourth proportional to 11,398.82, 17,087.90 and 3,999.25 is: 5,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.82 : 17,087.90 = 3,999.25 : x
  2. Step 2: Convert to fraction form
    11,398.82/17,087.90 = 3,999.25/x
  3. Step 3: Cross multiply
    11,398.82x = 17,087.90 × 3,999.25
  4. Step 4: Simplify right side
    11,398.82x = 68,338,678.64
  5. Step 5: Solve for x
    x = 68,338,678.64/11,398.82
  6. Step 6: Final answer
    x = 5,995.24

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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.