Home / 18,945.53-28,419.66-5,796.19

Finding the Fourth Proportional to 18,945.53, 28,419.66 and 5,796.19

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Solution

The fourth proportional to 18,945.53, 28,419.66 and 5,796.19 is: 8,694.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945.53 : 28,419.66 = 5,796.19 : x
  2. Step 2: Convert to fraction form
    18,945.53/28,419.66 = 5,796.19/x
  3. Step 3: Cross multiply
    18,945.53x = 28,419.66 × 5,796.19
  4. Step 4: Simplify right side
    18,945.53x = 164,725,784.62
  5. Step 5: Solve for x
    x = 164,725,784.62/18,945.53
  6. Step 6: Final answer
    x = 8,694.71

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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.