Home / 20,273.38-27,973.92-11,319.44

Finding the Fourth Proportional to 20,273.38, 27,973.92 and 11,319.44

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Solution

The fourth proportional to 20,273.38, 27,973.92 and 11,319.44 is: 15,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273.38 : 27,973.92 = 11,319.44 : x
  2. Step 2: Convert to fraction form
    20,273.38/27,973.92 = 11,319.44/x
  3. Step 3: Cross multiply
    20,273.38x = 27,973.92 × 11,319.44
  4. Step 4: Simplify right side
    20,273.38x = 316,649,109.00
  5. Step 5: Solve for x
    x = 316,649,109.00/20,273.38
  6. Step 6: Final answer
    x = 15,618.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.