Home / 11,986.94-17,974.08-6,367.76

Finding the Fourth Proportional to 11,986.94, 17,974.08 and 6,367.76

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Solution

The fourth proportional to 11,986.94, 17,974.08 and 6,367.76 is: 9,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.94 : 17,974.08 = 6,367.76 : x
  2. Step 2: Convert to fraction form
    11,986.94/17,974.08 = 6,367.76/x
  3. Step 3: Cross multiply
    11,986.94x = 17,974.08 × 6,367.76
  4. Step 4: Simplify right side
    11,986.94x = 114,454,627.66
  5. Step 5: Solve for x
    x = 114,454,627.66/11,986.94
  6. Step 6: Final answer
    x = 9,548.28

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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.