Home / 26,131.78-39,197.67-11,340.37

Finding the Fourth Proportional to 26,131.78, 39,197.67 and 11,340.37

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Solution

The fourth proportional to 26,131.78, 39,197.67 and 11,340.37 is: 17,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.78 : 39,197.67 = 11,340.37 : x
  2. Step 2: Convert to fraction form
    26,131.78/39,197.67 = 11,340.37/x
  3. Step 3: Cross multiply
    26,131.78x = 39,197.67 × 11,340.37
  4. Step 4: Simplify right side
    26,131.78x = 444,516,080.94
  5. Step 5: Solve for x
    x = 444,516,080.94/26,131.78
  6. Step 6: Final answer
    x = 17,010.56

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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.