Home / 12,515.24-17,179.02-11,067.20

Finding the Fourth Proportional to 12,515.24, 17,179.02 and 11,067.20

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Solution

The fourth proportional to 12,515.24, 17,179.02 and 11,067.20 is: 15,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.24 : 17,179.02 = 11,067.20 : x
  2. Step 2: Convert to fraction form
    12,515.24/17,179.02 = 11,067.20/x
  3. Step 3: Cross multiply
    12,515.24x = 17,179.02 × 11,067.20
  4. Step 4: Simplify right side
    12,515.24x = 190,123,628.67
  5. Step 5: Solve for x
    x = 190,123,628.67/12,515.24
  6. Step 6: Final answer
    x = 15,191.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.