Home / 11,680.21-17,517.96-4,282.15

Finding the Fourth Proportional to 11,680.21, 17,517.96 and 4,282.15

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Solution

The fourth proportional to 11,680.21, 17,517.96 and 4,282.15 is: 6,422.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.21 : 17,517.96 = 4,282.15 : x
  2. Step 2: Convert to fraction form
    11,680.21/17,517.96 = 4,282.15/x
  3. Step 3: Cross multiply
    11,680.21x = 17,517.96 × 4,282.15
  4. Step 4: Simplify right side
    11,680.21x = 75,014,532.41
  5. Step 5: Solve for x
    x = 75,014,532.41/11,680.21
  6. Step 6: Final answer
    x = 6,422.36

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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.