Home / 12,247.26-18,380.10-8,968.80

Finding the Fourth Proportional to 12,247.26, 18,380.10 and 8,968.80

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Solution

The fourth proportional to 12,247.26, 18,380.10 and 8,968.80 is: 13,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.26 : 18,380.10 = 8,968.80 : x
  2. Step 2: Convert to fraction form
    12,247.26/18,380.10 = 8,968.80/x
  3. Step 3: Cross multiply
    12,247.26x = 18,380.10 × 8,968.80
  4. Step 4: Simplify right side
    12,247.26x = 164,847,440.88
  5. Step 5: Solve for x
    x = 164,847,440.88/12,247.26
  6. Step 6: Final answer
    x = 13,459.94

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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.