Home / 11,936.20-17,906.23-4,039.20

Finding the Fourth Proportional to 11,936.20, 17,906.23 and 4,039.20

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Solution

The fourth proportional to 11,936.20, 17,906.23 and 4,039.20 is: 6,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.20 : 17,906.23 = 4,039.20 : x
  2. Step 2: Convert to fraction form
    11,936.20/17,906.23 = 4,039.20/x
  3. Step 3: Cross multiply
    11,936.20x = 17,906.23 × 4,039.20
  4. Step 4: Simplify right side
    11,936.20x = 72,326,849.27
  5. Step 5: Solve for x
    x = 72,326,849.27/11,936.20
  6. Step 6: Final answer
    x = 6,059.45

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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.