Home / 11,841.14-17,755.61-3,940.81

Finding the Fourth Proportional to 11,841.14, 17,755.61 and 3,940.81

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Solution

The fourth proportional to 11,841.14, 17,755.61 and 3,940.81 is: 5,909.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,841.14 : 17,755.61 = 3,940.81 : x
  2. Step 2: Convert to fraction form
    11,841.14/17,755.61 = 3,940.81/x
  3. Step 3: Cross multiply
    11,841.14x = 17,755.61 × 3,940.81
  4. Step 4: Simplify right side
    11,841.14x = 69,971,376.96
  5. Step 5: Solve for x
    x = 69,971,376.96/11,841.14
  6. Step 6: Final answer
    x = 5,909.18

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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.