Home / 11,246.40-16,861.24-5,397.44

Finding the Fourth Proportional to 11,246.40, 16,861.24 and 5,397.44

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Solution

The fourth proportional to 11,246.40, 16,861.24 and 5,397.44 is: 8,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.40 : 16,861.24 = 5,397.44 : x
  2. Step 2: Convert to fraction form
    11,246.40/16,861.24 = 5,397.44/x
  3. Step 3: Cross multiply
    11,246.40x = 16,861.24 × 5,397.44
  4. Step 4: Simplify right side
    11,246.40x = 91,007,531.23
  5. Step 5: Solve for x
    x = 91,007,531.23/11,246.40
  6. Step 6: Final answer
    x = 8,092.15

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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.