Home / 8,806.86-13,188.38-6,161.99

Finding the Fourth Proportional to 8,806.86, 13,188.38 and 6,161.99

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Solution

The fourth proportional to 8,806.86, 13,188.38 and 6,161.99 is: 9,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.86 : 13,188.38 = 6,161.99 : x
  2. Step 2: Convert to fraction form
    8,806.86/13,188.38 = 6,161.99/x
  3. Step 3: Cross multiply
    8,806.86x = 13,188.38 × 6,161.99
  4. Step 4: Simplify right side
    8,806.86x = 81,266,665.68
  5. Step 5: Solve for x
    x = 81,266,665.68/8,806.86
  6. Step 6: Final answer
    x = 9,227.65

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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.