Home / 11,781.19-16,258.07-6,745.49

Finding the Fourth Proportional to 11,781.19, 16,258.07 and 6,745.49

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Solution

The fourth proportional to 11,781.19, 16,258.07 and 6,745.49 is: 9,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.19 : 16,258.07 = 6,745.49 : x
  2. Step 2: Convert to fraction form
    11,781.19/16,258.07 = 6,745.49/x
  3. Step 3: Cross multiply
    11,781.19x = 16,258.07 × 6,745.49
  4. Step 4: Simplify right side
    11,781.19x = 109,668,584.18
  5. Step 5: Solve for x
    x = 109,668,584.18/11,781.19
  6. Step 6: Final answer
    x = 9,308.79

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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.