Home / 11,627.21-17,391.58-7,887.44

Finding the Fourth Proportional to 11,627.21, 17,391.58 and 7,887.44

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Solution

The fourth proportional to 11,627.21, 17,391.58 and 7,887.44 is: 11,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,627.21 : 17,391.58 = 7,887.44 : x
  2. Step 2: Convert to fraction form
    11,627.21/17,391.58 = 7,887.44/x
  3. Step 3: Cross multiply
    11,627.21x = 17,391.58 × 7,887.44
  4. Step 4: Simplify right side
    11,627.21x = 137,175,067.52
  5. Step 5: Solve for x
    x = 137,175,067.52/11,627.21
  6. Step 6: Final answer
    x = 11,797.76

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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.