Home / 8,747.74-13,110.66-6,891.52

Finding the Fourth Proportional to 8,747.74, 13,110.66 and 6,891.52

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Solution

The fourth proportional to 8,747.74, 13,110.66 and 6,891.52 is: 10,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.74 : 13,110.66 = 6,891.52 : x
  2. Step 2: Convert to fraction form
    8,747.74/13,110.66 = 6,891.52/x
  3. Step 3: Cross multiply
    8,747.74x = 13,110.66 × 6,891.52
  4. Step 4: Simplify right side
    8,747.74x = 90,352,310.05
  5. Step 5: Solve for x
    x = 90,352,310.05/8,747.74
  6. Step 6: Final answer
    x = 10,328.65

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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.