Home / 11,386.80-17,078.64-3,067.20

Finding the Fourth Proportional to 11,386.80, 17,078.64 and 3,067.20

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Solution

The fourth proportional to 11,386.80, 17,078.64 and 3,067.20 is: 4,600.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.80 : 17,078.64 = 3,067.20 : x
  2. Step 2: Convert to fraction form
    11,386.80/17,078.64 = 3,067.20/x
  3. Step 3: Cross multiply
    11,386.80x = 17,078.64 × 3,067.20
  4. Step 4: Simplify right side
    11,386.80x = 52,383,604.61
  5. Step 5: Solve for x
    x = 52,383,604.61/11,386.80
  6. Step 6: Final answer
    x = 4,600.38

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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.