Home / 11,138.29-16,695.73-4,113.83

Finding the Fourth Proportional to 11,138.29, 16,695.73 and 4,113.83

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Solution

The fourth proportional to 11,138.29, 16,695.73 and 4,113.83 is: 6,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.29 : 16,695.73 = 4,113.83 : x
  2. Step 2: Convert to fraction form
    11,138.29/16,695.73 = 4,113.83/x
  3. Step 3: Cross multiply
    11,138.29x = 16,695.73 × 4,113.83
  4. Step 4: Simplify right side
    11,138.29x = 68,683,394.95
  5. Step 5: Solve for x
    x = 68,683,394.95/11,138.29
  6. Step 6: Final answer
    x = 6,166.42

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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.