Home / 12,682.97-19,027.58-3,917.87

Finding the Fourth Proportional to 12,682.97, 19,027.58 and 3,917.87

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Solution

The fourth proportional to 12,682.97, 19,027.58 and 3,917.87 is: 5,877.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.97 : 19,027.58 = 3,917.87 : x
  2. Step 2: Convert to fraction form
    12,682.97/19,027.58 = 3,917.87/x
  3. Step 3: Cross multiply
    12,682.97x = 19,027.58 × 3,917.87
  4. Step 4: Simplify right side
    12,682.97x = 74,547,612.83
  5. Step 5: Solve for x
    x = 74,547,612.83/12,682.97
  6. Step 6: Final answer
    x = 5,877.77

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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.