Home / 11,144.42-15,379.09-6,108.50

Finding the Fourth Proportional to 11,144.42, 15,379.09 and 6,108.50

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Solution

The fourth proportional to 11,144.42, 15,379.09 and 6,108.50 is: 8,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,144.42 : 15,379.09 = 6,108.50 : x
  2. Step 2: Convert to fraction form
    11,144.42/15,379.09 = 6,108.50/x
  3. Step 3: Cross multiply
    11,144.42x = 15,379.09 × 6,108.50
  4. Step 4: Simplify right side
    11,144.42x = 93,943,171.27
  5. Step 5: Solve for x
    x = 93,943,171.27/11,144.42
  6. Step 6: Final answer
    x = 8,429.62

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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.