Home / 11,941.18-17,891.20-8,230.16

Finding the Fourth Proportional to 11,941.18, 17,891.20 and 8,230.16

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Solution

The fourth proportional to 11,941.18, 17,891.20 and 8,230.16 is: 12,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.18 : 17,891.20 = 8,230.16 : x
  2. Step 2: Convert to fraction form
    11,941.18/17,891.20 = 8,230.16/x
  3. Step 3: Cross multiply
    11,941.18x = 17,891.20 × 8,230.16
  4. Step 4: Simplify right side
    11,941.18x = 147,247,438.59
  5. Step 5: Solve for x
    x = 147,247,438.59/11,941.18
  6. Step 6: Final answer
    x = 12,331.06

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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.