Home / 12,682.22-19,025.15-3,917.82

Finding the Fourth Proportional to 12,682.22, 19,025.15 and 3,917.82

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Solution

The fourth proportional to 12,682.22, 19,025.15 and 3,917.82 is: 5,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.22 : 19,025.15 = 3,917.82 : x
  2. Step 2: Convert to fraction form
    12,682.22/19,025.15 = 3,917.82/x
  3. Step 3: Cross multiply
    12,682.22x = 19,025.15 × 3,917.82
  4. Step 4: Simplify right side
    12,682.22x = 74,537,093.58
  5. Step 5: Solve for x
    x = 74,537,093.58/12,682.22
  6. Step 6: Final answer
    x = 5,877.29

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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.