Home / 12,440.46-17,171.37-8,194.62

Finding the Fourth Proportional to 12,440.46, 17,171.37 and 8,194.62

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Solution

The fourth proportional to 12,440.46, 17,171.37 and 8,194.62 is: 11,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,440.46 : 17,171.37 = 8,194.62 : x
  2. Step 2: Convert to fraction form
    12,440.46/17,171.37 = 8,194.62/x
  3. Step 3: Cross multiply
    12,440.46x = 17,171.37 × 8,194.62
  4. Step 4: Simplify right side
    12,440.46x = 140,712,852.03
  5. Step 5: Solve for x
    x = 140,712,852.03/12,440.46
  6. Step 6: Final answer
    x = 11,310.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.