Home / 11,442.94-15,791.55-6,408.23

Finding the Fourth Proportional to 11,442.94, 15,791.55 and 6,408.23

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Solution

The fourth proportional to 11,442.94, 15,791.55 and 6,408.23 is: 8,843.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442.94 : 15,791.55 = 6,408.23 : x
  2. Step 2: Convert to fraction form
    11,442.94/15,791.55 = 6,408.23/x
  3. Step 3: Cross multiply
    11,442.94x = 15,791.55 × 6,408.23
  4. Step 4: Simplify right side
    11,442.94x = 101,195,805.50
  5. Step 5: Solve for x
    x = 101,195,805.50/11,442.94
  6. Step 6: Final answer
    x = 8,843.51

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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.