Home / 11,687.50-17,527.08-3,788.11

Finding the Fourth Proportional to 11,687.50, 17,527.08 and 3,788.11

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Solution

The fourth proportional to 11,687.50, 17,527.08 and 3,788.11 is: 5,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687.50 : 17,527.08 = 3,788.11 : x
  2. Step 2: Convert to fraction form
    11,687.50/17,527.08 = 3,788.11/x
  3. Step 3: Cross multiply
    11,687.50x = 17,527.08 × 3,788.11
  4. Step 4: Simplify right side
    11,687.50x = 66,394,507.02
  5. Step 5: Solve for x
    x = 66,394,507.02/11,687.50
  6. Step 6: Final answer
    x = 5,680.81

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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.