Home / 12,137.06-18,205.71-3,372.66

Finding the Fourth Proportional to 12,137.06, 18,205.71 and 3,372.66

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Solution

The fourth proportional to 12,137.06, 18,205.71 and 3,372.66 is: 5,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137.06 : 18,205.71 = 3,372.66 : x
  2. Step 2: Convert to fraction form
    12,137.06/18,205.71 = 3,372.66/x
  3. Step 3: Cross multiply
    12,137.06x = 18,205.71 × 3,372.66
  4. Step 4: Simplify right side
    12,137.06x = 61,401,669.89
  5. Step 5: Solve for x
    x = 61,401,669.89/12,137.06
  6. Step 6: Final answer
    x = 5,059.02

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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.