Home / 11,942.39-17,911.19-11,349.62

Finding the Fourth Proportional to 11,942.39, 17,911.19 and 11,349.62

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Solution

The fourth proportional to 11,942.39, 17,911.19 and 11,349.62 is: 17,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.39 : 17,911.19 = 11,349.62 : x
  2. Step 2: Convert to fraction form
    11,942.39/17,911.19 = 11,349.62/x
  3. Step 3: Cross multiply
    11,942.39x = 17,911.19 × 11,349.62
  4. Step 4: Simplify right side
    11,942.39x = 203,285,158.35
  5. Step 5: Solve for x
    x = 203,285,158.35/11,942.39
  6. Step 6: Final answer
    x = 17,022.15

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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.