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Finding the Fourth Proportional to 11,675.32, 17,494.98 and 5,745.40

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Solution

The fourth proportional to 11,675.32, 17,494.98 and 5,745.40 is: 8,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.32 : 17,494.98 = 5,745.40 : x
  2. Step 2: Convert to fraction form
    11,675.32/17,494.98 = 5,745.40/x
  3. Step 3: Cross multiply
    11,675.32x = 17,494.98 × 5,745.40
  4. Step 4: Simplify right side
    11,675.32x = 100,515,658.09
  5. Step 5: Solve for x
    x = 100,515,658.09/11,675.32
  6. Step 6: Final answer
    x = 8,609.24

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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.