Home / 11,986.68-17,979.48-4,594.64

Finding the Fourth Proportional to 11,986.68, 17,979.48 and 4,594.64

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Solution

The fourth proportional to 11,986.68, 17,979.48 and 4,594.64 is: 6,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.68 : 17,979.48 = 4,594.64 : x
  2. Step 2: Convert to fraction form
    11,986.68/17,979.48 = 4,594.64/x
  3. Step 3: Cross multiply
    11,986.68x = 17,979.48 × 4,594.64
  4. Step 4: Simplify right side
    11,986.68x = 82,609,237.99
  5. Step 5: Solve for x
    x = 82,609,237.99/11,986.68
  6. Step 6: Final answer
    x = 6,891.75

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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.