Home / 11,517.21-17,280.69-6,846.15

Finding the Fourth Proportional to 11,517.21, 17,280.69 and 6,846.15

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Solution

The fourth proportional to 11,517.21, 17,280.69 and 6,846.15 is: 10,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.21 : 17,280.69 = 6,846.15 : x
  2. Step 2: Convert to fraction form
    11,517.21/17,280.69 = 6,846.15/x
  3. Step 3: Cross multiply
    11,517.21x = 17,280.69 × 6,846.15
  4. Step 4: Simplify right side
    11,517.21x = 118,306,195.84
  5. Step 5: Solve for x
    x = 118,306,195.84/11,517.21
  6. Step 6: Final answer
    x = 10,272.12

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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.