Home / 12,682.74-19,023.66-3,917.67

Finding the Fourth Proportional to 12,682.74, 19,023.66 and 3,917.67

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Solution

The fourth proportional to 12,682.74, 19,023.66 and 3,917.67 is: 5,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.74 : 19,023.66 = 3,917.67 : x
  2. Step 2: Convert to fraction form
    12,682.74/19,023.66 = 3,917.67/x
  3. Step 3: Cross multiply
    12,682.74x = 19,023.66 × 3,917.67
  4. Step 4: Simplify right side
    12,682.74x = 74,528,350.73
  5. Step 5: Solve for x
    x = 74,528,350.73/12,682.74
  6. Step 6: Final answer
    x = 5,876.36

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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.