Home / 11,882.88-17,826.75-3,986.19

Finding the Fourth Proportional to 11,882.88, 17,826.75 and 3,986.19

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Solution

The fourth proportional to 11,882.88, 17,826.75 and 3,986.19 is: 5,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.88 : 17,826.75 = 3,986.19 : x
  2. Step 2: Convert to fraction form
    11,882.88/17,826.75 = 3,986.19/x
  3. Step 3: Cross multiply
    11,882.88x = 17,826.75 × 3,986.19
  4. Step 4: Simplify right side
    11,882.88x = 71,060,812.58
  5. Step 5: Solve for x
    x = 71,060,812.58/11,882.88
  6. Step 6: Final answer
    x = 5,980.10

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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.