Home / 11,006.44-15,189.94-6,289.82

Finding the Fourth Proportional to 11,006.44, 15,189.94 and 6,289.82

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Solution

The fourth proportional to 11,006.44, 15,189.94 and 6,289.82 is: 8,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.44 : 15,189.94 = 6,289.82 : x
  2. Step 2: Convert to fraction form
    11,006.44/15,189.94 = 6,289.82/x
  3. Step 3: Cross multiply
    11,006.44x = 15,189.94 × 6,289.82
  4. Step 4: Simplify right side
    11,006.44x = 95,541,988.41
  5. Step 5: Solve for x
    x = 95,541,988.41/11,006.44
  6. Step 6: Final answer
    x = 8,680.55

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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.