Home / 11,682.54-16,121.84-6,377.31

Finding the Fourth Proportional to 11,682.54, 16,121.84 and 6,377.31

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Solution

The fourth proportional to 11,682.54, 16,121.84 and 6,377.31 is: 8,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.54 : 16,121.84 = 6,377.31 : x
  2. Step 2: Convert to fraction form
    11,682.54/16,121.84 = 6,377.31/x
  3. Step 3: Cross multiply
    11,682.54x = 16,121.84 × 6,377.31
  4. Step 4: Simplify right side
    11,682.54x = 102,813,939.56
  5. Step 5: Solve for x
    x = 102,813,939.56/11,682.54
  6. Step 6: Final answer
    x = 8,800.65

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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.