Home / 22,160.25-33,245.24-7,379.78

Finding the Fourth Proportional to 22,160.25, 33,245.24 and 7,379.78

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Solution

The fourth proportional to 22,160.25, 33,245.24 and 7,379.78 is: 11,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.25 : 33,245.24 = 7,379.78 : x
  2. Step 2: Convert to fraction form
    22,160.25/33,245.24 = 7,379.78/x
  3. Step 3: Cross multiply
    22,160.25x = 33,245.24 × 7,379.78
  4. Step 4: Simplify right side
    22,160.25x = 245,342,354.12
  5. Step 5: Solve for x
    x = 245,342,354.12/22,160.25
  6. Step 6: Final answer
    x = 11,071.28

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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.