Home / 11,747.94-16,212.14-6,442.85

Finding the Fourth Proportional to 11,747.94, 16,212.14 and 6,442.85

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Solution

The fourth proportional to 11,747.94, 16,212.14 and 6,442.85 is: 8,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,747.94 : 16,212.14 = 6,442.85 : x
  2. Step 2: Convert to fraction form
    11,747.94/16,212.14 = 6,442.85/x
  3. Step 3: Cross multiply
    11,747.94x = 16,212.14 × 6,442.85
  4. Step 4: Simplify right side
    11,747.94x = 104,452,272.92
  5. Step 5: Solve for x
    x = 104,452,272.92/11,747.94
  6. Step 6: Final answer
    x = 8,891.11

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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.