Home / 12,237.19-18,351.84-3,469.75

Finding the Fourth Proportional to 12,237.19, 18,351.84 and 3,469.75

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Solution

The fourth proportional to 12,237.19, 18,351.84 and 3,469.75 is: 5,203.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.19 : 18,351.84 = 3,469.75 : x
  2. Step 2: Convert to fraction form
    12,237.19/18,351.84 = 3,469.75/x
  3. Step 3: Cross multiply
    12,237.19x = 18,351.84 × 3,469.75
  4. Step 4: Simplify right side
    12,237.19x = 63,676,296.84
  5. Step 5: Solve for x
    x = 63,676,296.84/12,237.19
  6. Step 6: Final answer
    x = 5,203.51

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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.