Home / 11,289.42-16,934.94-3,893.76

Finding the Fourth Proportional to 11,289.42, 16,934.94 and 3,893.76

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Solution

The fourth proportional to 11,289.42, 16,934.94 and 3,893.76 is: 5,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.42 : 16,934.94 = 3,893.76 : x
  2. Step 2: Convert to fraction form
    11,289.42/16,934.94 = 3,893.76/x
  3. Step 3: Cross multiply
    11,289.42x = 16,934.94 × 3,893.76
  4. Step 4: Simplify right side
    11,289.42x = 65,940,591.97
  5. Step 5: Solve for x
    x = 65,940,591.97/11,289.42
  6. Step 6: Final answer
    x = 5,840.92

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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.