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Finding the Fourth Proportional to 9,104.68, 13,661.07 and 7,935.85

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Solution

The fourth proportional to 9,104.68, 13,661.07 and 7,935.85 is: 11,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,104.68 : 13,661.07 = 7,935.85 : x
  2. Step 2: Convert to fraction form
    9,104.68/13,661.07 = 7,935.85/x
  3. Step 3: Cross multiply
    9,104.68x = 13,661.07 × 7,935.85
  4. Step 4: Simplify right side
    9,104.68x = 108,412,202.36
  5. Step 5: Solve for x
    x = 108,412,202.36/9,104.68
  6. Step 6: Final answer
    x = 11,907.31

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1.5x scale

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.