Home / 10,986.00-16,480.75-3,967.75

Finding the Fourth Proportional to 10,986.00, 16,480.75 and 3,967.75

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Solution

The fourth proportional to 10,986.00, 16,480.75 and 3,967.75 is: 5,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.00 : 16,480.75 = 3,967.75 : x
  2. Step 2: Convert to fraction form
    10,986.00/16,480.75 = 3,967.75/x
  3. Step 3: Cross multiply
    10,986.00x = 16,480.75 × 3,967.75
  4. Step 4: Simplify right side
    10,986.00x = 65,391,565.44
  5. Step 5: Solve for x
    x = 65,391,565.44/10,986.00
  6. Step 6: Final answer
    x = 5,952.26

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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.