Home / 11,164.85-16,721.61-6,223.55

Finding the Fourth Proportional to 11,164.85, 16,721.61 and 6,223.55

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Solution

The fourth proportional to 11,164.85, 16,721.61 and 6,223.55 is: 9,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.85 : 16,721.61 = 6,223.55 : x
  2. Step 2: Convert to fraction form
    11,164.85/16,721.61 = 6,223.55/x
  3. Step 3: Cross multiply
    11,164.85x = 16,721.61 × 6,223.55
  4. Step 4: Simplify right side
    11,164.85x = 104,067,763.03
  5. Step 5: Solve for x
    x = 104,067,763.03/11,164.85
  6. Step 6: Final answer
    x = 9,321.01

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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.