Home / 11,105.94-15,326.40-6,326.43

Finding the Fourth Proportional to 11,105.94, 15,326.40 and 6,326.43

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Solution

The fourth proportional to 11,105.94, 15,326.40 and 6,326.43 is: 8,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.94 : 15,326.40 = 6,326.43 : x
  2. Step 2: Convert to fraction form
    11,105.94/15,326.40 = 6,326.43/x
  3. Step 3: Cross multiply
    11,105.94x = 15,326.40 × 6,326.43
  4. Step 4: Simplify right side
    11,105.94x = 96,961,396.75
  5. Step 5: Solve for x
    x = 96,961,396.75/11,105.94
  6. Step 6: Final answer
    x = 8,730.59

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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.