Home / 11,517.80-17,276.70-3,726.42

Finding the Fourth Proportional to 11,517.80, 17,276.70 and 3,726.42

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Solution

The fourth proportional to 11,517.80, 17,276.70 and 3,726.42 is: 5,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.80 : 17,276.70 = 3,726.42 : x
  2. Step 2: Convert to fraction form
    11,517.80/17,276.70 = 3,726.42/x
  3. Step 3: Cross multiply
    11,517.80x = 17,276.70 × 3,726.42
  4. Step 4: Simplify right side
    11,517.80x = 64,380,240.41
  5. Step 5: Solve for x
    x = 64,380,240.41/11,517.80
  6. Step 6: Final answer
    x = 5,589.63

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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.