Home / 12,519.07-17,273.73-8,042.20

Finding the Fourth Proportional to 12,519.07, 17,273.73 and 8,042.20

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Solution

The fourth proportional to 12,519.07, 17,273.73 and 8,042.20 is: 11,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.07 : 17,273.73 = 8,042.20 : x
  2. Step 2: Convert to fraction form
    12,519.07/17,273.73 = 8,042.20/x
  3. Step 3: Cross multiply
    12,519.07x = 17,273.73 × 8,042.20
  4. Step 4: Simplify right side
    12,519.07x = 138,918,791.41
  5. Step 5: Solve for x
    x = 138,918,791.41/12,519.07
  6. Step 6: Final answer
    x = 11,096.57

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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.