Home / 18,976.53-28,464.89-7,883.23

Finding the Fourth Proportional to 18,976.53, 28,464.89 and 7,883.23

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Solution

The fourth proportional to 18,976.53, 28,464.89 and 7,883.23 is: 11,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.53 : 28,464.89 = 7,883.23 : x
  2. Step 2: Convert to fraction form
    18,976.53/28,464.89 = 7,883.23/x
  3. Step 3: Cross multiply
    18,976.53x = 28,464.89 × 7,883.23
  4. Step 4: Simplify right side
    18,976.53x = 224,395,093.05
  5. Step 5: Solve for x
    x = 224,395,093.05/18,976.53
  6. Step 6: Final answer
    x = 11,824.88

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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.