Home / 11,378.18-17,067.58-4,361.54

Finding the Fourth Proportional to 11,378.18, 17,067.58 and 4,361.54

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Solution

The fourth proportional to 11,378.18, 17,067.58 and 4,361.54 is: 6,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.18 : 17,067.58 = 4,361.54 : x
  2. Step 2: Convert to fraction form
    11,378.18/17,067.58 = 4,361.54/x
  3. Step 3: Cross multiply
    11,378.18x = 17,067.58 × 4,361.54
  4. Step 4: Simplify right side
    11,378.18x = 74,440,932.87
  5. Step 5: Solve for x
    x = 74,440,932.87/11,378.18
  6. Step 6: Final answer
    x = 6,542.43

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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.