Home / 11,731.97-16,190.33-6,426.44

Finding the Fourth Proportional to 11,731.97, 16,190.33 and 6,426.44

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Solution

The fourth proportional to 11,731.97, 16,190.33 and 6,426.44 is: 8,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.97 : 16,190.33 = 6,426.44 : x
  2. Step 2: Convert to fraction form
    11,731.97/16,190.33 = 6,426.44/x
  3. Step 3: Cross multiply
    11,731.97x = 16,190.33 × 6,426.44
  4. Step 4: Simplify right side
    11,731.97x = 104,046,259.17
  5. Step 5: Solve for x
    x = 104,046,259.17/11,731.97
  6. Step 6: Final answer
    x = 8,868.61

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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.