Home / 11,942.43-17,884.50-10,309.47

Finding the Fourth Proportional to 11,942.43, 17,884.50 and 10,309.47

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Solution

The fourth proportional to 11,942.43, 17,884.50 and 10,309.47 is: 15,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.43 : 17,884.50 = 10,309.47 : x
  2. Step 2: Convert to fraction form
    11,942.43/17,884.50 = 10,309.47/x
  3. Step 3: Cross multiply
    11,942.43x = 17,884.50 × 10,309.47
  4. Step 4: Simplify right side
    11,942.43x = 184,379,716.22
  5. Step 5: Solve for x
    x = 184,379,716.22/11,942.43
  6. Step 6: Final answer
    x = 15,439.05

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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.