Home / 18,147.69-27,221.58-5,667.21

Finding the Fourth Proportional to 18,147.69, 27,221.58 and 5,667.21

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Solution

The fourth proportional to 18,147.69, 27,221.58 and 5,667.21 is: 8,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.69 : 27,221.58 = 5,667.21 : x
  2. Step 2: Convert to fraction form
    18,147.69/27,221.58 = 5,667.21/x
  3. Step 3: Cross multiply
    18,147.69x = 27,221.58 × 5,667.21
  4. Step 4: Simplify right side
    18,147.69x = 154,270,410.39
  5. Step 5: Solve for x
    x = 154,270,410.39/18,147.69
  6. Step 6: Final answer
    x = 8,500.83

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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.