Home / 11,785.16-17,677.26-3,993.97

Finding the Fourth Proportional to 11,785.16, 17,677.26 and 3,993.97

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Solution

The fourth proportional to 11,785.16, 17,677.26 and 3,993.97 is: 5,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.16 : 17,677.26 = 3,993.97 : x
  2. Step 2: Convert to fraction form
    11,785.16/17,677.26 = 3,993.97/x
  3. Step 3: Cross multiply
    11,785.16x = 17,677.26 × 3,993.97
  4. Step 4: Simplify right side
    11,785.16x = 70,602,446.12
  5. Step 5: Solve for x
    x = 70,602,446.12/11,785.16
  6. Step 6: Final answer
    x = 5,990.79

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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.