Home / 11,239.76-15,511.10-6,203.96

Finding the Fourth Proportional to 11,239.76, 15,511.10 and 6,203.96

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Solution

The fourth proportional to 11,239.76, 15,511.10 and 6,203.96 is: 8,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.76 : 15,511.10 = 6,203.96 : x
  2. Step 2: Convert to fraction form
    11,239.76/15,511.10 = 6,203.96/x
  3. Step 3: Cross multiply
    11,239.76x = 15,511.10 × 6,203.96
  4. Step 4: Simplify right side
    11,239.76x = 96,230,243.96
  5. Step 5: Solve for x
    x = 96,230,243.96/11,239.76
  6. Step 6: Final answer
    x = 8,561.59

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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.