Home / 19,836.26-27,375.54-11,338.72

Finding the Fourth Proportional to 19,836.26, 27,375.54 and 11,338.72

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Solution

The fourth proportional to 19,836.26, 27,375.54 and 11,338.72 is: 15,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.26 : 27,375.54 = 11,338.72 : x
  2. Step 2: Convert to fraction form
    19,836.26/27,375.54 = 11,338.72/x
  3. Step 3: Cross multiply
    19,836.26x = 27,375.54 × 11,338.72
  4. Step 4: Simplify right side
    19,836.26x = 310,403,471.95
  5. Step 5: Solve for x
    x = 310,403,471.95/19,836.26
  6. Step 6: Final answer
    x = 15,648.29

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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.