Home / 18,217.44-27,308.75-7,120.44

Finding the Fourth Proportional to 18,217.44, 27,308.75 and 7,120.44

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Solution

The fourth proportional to 18,217.44, 27,308.75 and 7,120.44 is: 10,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.44 : 27,308.75 = 7,120.44 : x
  2. Step 2: Convert to fraction form
    18,217.44/27,308.75 = 7,120.44/x
  3. Step 3: Cross multiply
    18,217.44x = 27,308.75 × 7,120.44
  4. Step 4: Simplify right side
    18,217.44x = 194,450,280.25
  5. Step 5: Solve for x
    x = 194,450,280.25/18,217.44
  6. Step 6: Final answer
    x = 10,673.85

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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.