Home / 11,986.38-17,953.38-9,882.75

Finding the Fourth Proportional to 11,986.38, 17,953.38 and 9,882.75

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Solution

The fourth proportional to 11,986.38, 17,953.38 and 9,882.75 is: 14,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.38 : 17,953.38 = 9,882.75 : x
  2. Step 2: Convert to fraction form
    11,986.38/17,953.38 = 9,882.75/x
  3. Step 3: Cross multiply
    11,986.38x = 17,953.38 × 9,882.75
  4. Step 4: Simplify right side
    11,986.38x = 177,428,766.20
  5. Step 5: Solve for x
    x = 177,428,766.20/11,986.38
  6. Step 6: Final answer
    x = 14,802.53

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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.