Home / 11,694.23-16,137.19-6,387.92

Finding the Fourth Proportional to 11,694.23, 16,137.19 and 6,387.92

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Solution

The fourth proportional to 11,694.23, 16,137.19 and 6,387.92 is: 8,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.23 : 16,137.19 = 6,387.92 : x
  2. Step 2: Convert to fraction form
    11,694.23/16,137.19 = 6,387.92/x
  3. Step 3: Cross multiply
    11,694.23x = 16,137.19 × 6,387.92
  4. Step 4: Simplify right side
    11,694.23x = 103,083,078.74
  5. Step 5: Solve for x
    x = 103,083,078.74/11,694.23
  6. Step 6: Final answer
    x = 8,814.87

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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.