Home / 11,986.73-17,982.84-3,667.40

Finding the Fourth Proportional to 11,986.73, 17,982.84 and 3,667.40

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Solution

The fourth proportional to 11,986.73, 17,982.84 and 3,667.40 is: 5,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.73 : 17,982.84 = 3,667.40 : x
  2. Step 2: Convert to fraction form
    11,986.73/17,982.84 = 3,667.40/x
  3. Step 3: Cross multiply
    11,986.73x = 17,982.84 × 3,667.40
  4. Step 4: Simplify right side
    11,986.73x = 65,950,278.32
  5. Step 5: Solve for x
    x = 65,950,278.32/11,986.73
  6. Step 6: Final answer
    x = 5,501.94

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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.