Home / 11,778.36-17,661.33-5,201.43

Finding the Fourth Proportional to 11,778.36, 17,661.33 and 5,201.43

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Solution

The fourth proportional to 11,778.36, 17,661.33 and 5,201.43 is: 7,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.36 : 17,661.33 = 5,201.43 : x
  2. Step 2: Convert to fraction form
    11,778.36/17,661.33 = 5,201.43/x
  3. Step 3: Cross multiply
    11,778.36x = 17,661.33 × 5,201.43
  4. Step 4: Simplify right side
    11,778.36x = 91,864,171.70
  5. Step 5: Solve for x
    x = 91,864,171.70/11,778.36
  6. Step 6: Final answer
    x = 7,799.40

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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.