Home / 11,320.55-16,976.97-3,923.28

Finding the Fourth Proportional to 11,320.55, 16,976.97 and 3,923.28

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Solution

The fourth proportional to 11,320.55, 16,976.97 and 3,923.28 is: 5,883.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.55 : 16,976.97 = 3,923.28 : x
  2. Step 2: Convert to fraction form
    11,320.55/16,976.97 = 3,923.28/x
  3. Step 3: Cross multiply
    11,320.55x = 16,976.97 × 3,923.28
  4. Step 4: Simplify right side
    11,320.55x = 66,605,449.30
  5. Step 5: Solve for x
    x = 66,605,449.30/11,320.55
  6. Step 6: Final answer
    x = 5,883.59

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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.