Home / 9,819.75-13,550.25-5,569.95

Finding the Fourth Proportional to 9,819.75, 13,550.25 and 5,569.95

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Solution

The fourth proportional to 9,819.75, 13,550.25 and 5,569.95 is: 7,685.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.75 : 13,550.25 = 5,569.95 : x
  2. Step 2: Convert to fraction form
    9,819.75/13,550.25 = 5,569.95/x
  3. Step 3: Cross multiply
    9,819.75x = 13,550.25 × 5,569.95
  4. Step 4: Simplify right side
    9,819.75x = 75,474,286.69
  5. Step 5: Solve for x
    x = 75,474,286.69/9,819.75
  6. Step 6: Final answer
    x = 7,685.97

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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.