Home / 11,103.44-16,640.70-9,926.60

Finding the Fourth Proportional to 11,103.44, 16,640.70 and 9,926.60

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Solution

The fourth proportional to 11,103.44, 16,640.70 and 9,926.60 is: 14,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.44 : 16,640.70 = 9,926.60 : x
  2. Step 2: Convert to fraction form
    11,103.44/16,640.70 = 9,926.60/x
  3. Step 3: Cross multiply
    11,103.44x = 16,640.70 × 9,926.60
  4. Step 4: Simplify right side
    11,103.44x = 165,185,572.62
  5. Step 5: Solve for x
    x = 165,185,572.62/11,103.44
  6. Step 6: Final answer
    x = 14,876.97

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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.