Home / 12,682.64-19,025.40-3,917.36

Finding the Fourth Proportional to 12,682.64, 19,025.40 and 3,917.36

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Solution

The fourth proportional to 12,682.64, 19,025.40 and 3,917.36 is: 5,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.64 : 19,025.40 = 3,917.36 : x
  2. Step 2: Convert to fraction form
    12,682.64/19,025.40 = 3,917.36/x
  3. Step 3: Cross multiply
    12,682.64x = 19,025.40 × 3,917.36
  4. Step 4: Simplify right side
    12,682.64x = 74,529,340.94
  5. Step 5: Solve for x
    x = 74,529,340.94/12,682.64
  6. Step 6: Final answer
    x = 5,876.48

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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.