Home / 11,986.92-17,968.10-4,589.46

Finding the Fourth Proportional to 11,986.92, 17,968.10 and 4,589.46

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Solution

The fourth proportional to 11,986.92, 17,968.10 and 4,589.46 is: 6,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986.92 : 17,968.10 = 4,589.46 : x
  2. Step 2: Convert to fraction form
    11,986.92/17,968.10 = 4,589.46/x
  3. Step 3: Cross multiply
    11,986.92x = 17,968.10 × 4,589.46
  4. Step 4: Simplify right side
    11,986.92x = 82,463,853.28
  5. Step 5: Solve for x
    x = 82,463,853.28/11,986.92
  6. Step 6: Final answer
    x = 6,879.49

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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.