Home / 11,789.19-17,683.79-3,995.91

Finding the Fourth Proportional to 11,789.19, 17,683.79 and 3,995.91

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Solution

The fourth proportional to 11,789.19, 17,683.79 and 3,995.91 is: 5,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.19 : 17,683.79 = 3,995.91 : x
  2. Step 2: Convert to fraction form
    11,789.19/17,683.79 = 3,995.91/x
  3. Step 3: Cross multiply
    11,789.19x = 17,683.79 × 3,995.91
  4. Step 4: Simplify right side
    11,789.19x = 70,662,813.32
  5. Step 5: Solve for x
    x = 70,662,813.32/11,789.19
  6. Step 6: Final answer
    x = 5,993.87

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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.