Home / 13,524.82-20,287.16-3,664.09

Finding the Fourth Proportional to 13,524.82, 20,287.16 and 3,664.09

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Solution

The fourth proportional to 13,524.82, 20,287.16 and 3,664.09 is: 5,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.82 : 20,287.16 = 3,664.09 : x
  2. Step 2: Convert to fraction form
    13,524.82/20,287.16 = 3,664.09/x
  3. Step 3: Cross multiply
    13,524.82x = 20,287.16 × 3,664.09
  4. Step 4: Simplify right side
    13,524.82x = 74,333,860.33
  5. Step 5: Solve for x
    x = 74,333,860.33/13,524.82
  6. Step 6: Final answer
    x = 5,496.11

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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.