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Finding the Fourth Proportional to 11,796.55, 17,694.80 and 3,476.65

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Solution

The fourth proportional to 11,796.55, 17,694.80 and 3,476.65 is: 5,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,796.55 : 17,694.80 = 3,476.65 : x
  2. Step 2: Convert to fraction form
    11,796.55/17,694.80 = 3,476.65/x
  3. Step 3: Cross multiply
    11,796.55x = 17,694.80 × 3,476.65
  4. Step 4: Simplify right side
    11,796.55x = 61,518,580.80
  5. Step 5: Solve for x
    x = 61,518,580.80/11,796.55
  6. Step 6: Final answer
    x = 5,214.96

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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.