Home / 22,277.70-33,404.40-9,115.20

Finding the Fourth Proportional to 22,277.70, 33,404.40 and 9,115.20

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Solution

The fourth proportional to 22,277.70, 33,404.40 and 9,115.20 is: 13,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.70 : 33,404.40 = 9,115.20 : x
  2. Step 2: Convert to fraction form
    22,277.70/33,404.40 = 9,115.20/x
  3. Step 3: Cross multiply
    22,277.70x = 33,404.40 × 9,115.20
  4. Step 4: Simplify right side
    22,277.70x = 304,487,786.88
  5. Step 5: Solve for x
    x = 304,487,786.88/22,277.70
  6. Step 6: Final answer
    x = 13,667.83

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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.