Home / 11,519.31-17,278.41-3,199.26

Finding the Fourth Proportional to 11,519.31, 17,278.41 and 3,199.26

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Solution

The fourth proportional to 11,519.31, 17,278.41 and 3,199.26 is: 4,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.31 : 17,278.41 = 3,199.26 : x
  2. Step 2: Convert to fraction form
    11,519.31/17,278.41 = 3,199.26/x
  3. Step 3: Cross multiply
    11,519.31x = 17,278.41 × 3,199.26
  4. Step 4: Simplify right side
    11,519.31x = 55,278,125.98
  5. Step 5: Solve for x
    x = 55,278,125.98/11,519.31
  6. Step 6: Final answer
    x = 4,798.74

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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.