Home / 11,243.76-15,515.67-6,207.99

Finding the Fourth Proportional to 11,243.76, 15,515.67 and 6,207.99

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Solution

The fourth proportional to 11,243.76, 15,515.67 and 6,207.99 is: 8,566.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.76 : 15,515.67 = 6,207.99 : x
  2. Step 2: Convert to fraction form
    11,243.76/15,515.67 = 6,207.99/x
  3. Step 3: Cross multiply
    11,243.76x = 15,515.67 × 6,207.99
  4. Step 4: Simplify right side
    11,243.76x = 96,321,124.20
  5. Step 5: Solve for x
    x = 96,321,124.20/11,243.76
  6. Step 6: Final answer
    x = 8,566.63

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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.