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Finding the Fourth Proportional to 11,310.60, 16,963.04 and 5,067.12

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Solution

The fourth proportional to 11,310.60, 16,963.04 and 5,067.12 is: 7,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.60 : 16,963.04 = 5,067.12 : x
  2. Step 2: Convert to fraction form
    11,310.60/16,963.04 = 5,067.12/x
  3. Step 3: Cross multiply
    11,310.60x = 16,963.04 × 5,067.12
  4. Step 4: Simplify right side
    11,310.60x = 85,953,759.24
  5. Step 5: Solve for x
    x = 85,953,759.24/11,310.60
  6. Step 6: Final answer
    x = 7,599.40

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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.