Home / 18,936.97-28,410.07-5,789.34

Finding the Fourth Proportional to 18,936.97, 28,410.07 and 5,789.34

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Solution

The fourth proportional to 18,936.97, 28,410.07 and 5,789.34 is: 8,685.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.97 : 28,410.07 = 5,789.34 : x
  2. Step 2: Convert to fraction form
    18,936.97/28,410.07 = 5,789.34/x
  3. Step 3: Cross multiply
    18,936.97x = 28,410.07 × 5,789.34
  4. Step 4: Simplify right side
    18,936.97x = 164,475,613.00
  5. Step 5: Solve for x
    x = 164,475,613.00/18,936.97
  6. Step 6: Final answer
    x = 8,685.42

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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.