Home / 11,781.03-16,257.86-6,745.33

Finding the Fourth Proportional to 11,781.03, 16,257.86 and 6,745.33

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Solution

The fourth proportional to 11,781.03, 16,257.86 and 6,745.33 is: 9,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.03 : 16,257.86 = 6,745.33 : x
  2. Step 2: Convert to fraction form
    11,781.03/16,257.86 = 6,745.33/x
  3. Step 3: Cross multiply
    11,781.03x = 16,257.86 × 6,745.33
  4. Step 4: Simplify right side
    11,781.03x = 109,664,589.39
  5. Step 5: Solve for x
    x = 109,664,589.39/11,781.03
  6. Step 6: Final answer
    x = 9,308.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.