Home / 12,519.36-18,791.19-6,680.07

Finding the Fourth Proportional to 12,519.36, 18,791.19 and 6,680.07

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Solution

The fourth proportional to 12,519.36, 18,791.19 and 6,680.07 is: 10,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.36 : 18,791.19 = 6,680.07 : x
  2. Step 2: Convert to fraction form
    12,519.36/18,791.19 = 6,680.07/x
  3. Step 3: Cross multiply
    12,519.36x = 18,791.19 × 6,680.07
  4. Step 4: Simplify right side
    12,519.36x = 125,526,464.58
  5. Step 5: Solve for x
    x = 125,526,464.58/12,519.36
  6. Step 6: Final answer
    x = 10,026.59

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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.