Home / 12,367.84-17,067.36-6,778.48

Finding the Fourth Proportional to 12,367.84, 17,067.36 and 6,778.48

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Solution

The fourth proportional to 12,367.84, 17,067.36 and 6,778.48 is: 9,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.84 : 17,067.36 = 6,778.48 : x
  2. Step 2: Convert to fraction form
    12,367.84/17,067.36 = 6,778.48/x
  3. Step 3: Cross multiply
    12,367.84x = 17,067.36 × 6,778.48
  4. Step 4: Simplify right side
    12,367.84x = 115,690,758.41
  5. Step 5: Solve for x
    x = 115,690,758.41/12,367.84
  6. Step 6: Final answer
    x = 9,354.16

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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.