Home / 11,936.27-17,904.39-4,145.15

Finding the Fourth Proportional to 11,936.27, 17,904.39 and 4,145.15

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Solution

The fourth proportional to 11,936.27, 17,904.39 and 4,145.15 is: 6,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.27 : 17,904.39 = 4,145.15 : x
  2. Step 2: Convert to fraction form
    11,936.27/17,904.39 = 4,145.15/x
  3. Step 3: Cross multiply
    11,936.27x = 17,904.39 × 4,145.15
  4. Step 4: Simplify right side
    11,936.27x = 74,216,382.21
  5. Step 5: Solve for x
    x = 74,216,382.21/11,936.27
  6. Step 6: Final answer
    x = 6,217.72

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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.