Home / 12,134.49-18,201.74-3,369.42

Finding the Fourth Proportional to 12,134.49, 18,201.74 and 3,369.42

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Solution

The fourth proportional to 12,134.49, 18,201.74 and 3,369.42 is: 5,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.49 : 18,201.74 = 3,369.42 : x
  2. Step 2: Convert to fraction form
    12,134.49/18,201.74 = 3,369.42/x
  3. Step 3: Cross multiply
    12,134.49x = 18,201.74 × 3,369.42
  4. Step 4: Simplify right side
    12,134.49x = 61,329,289.94
  5. Step 5: Solve for x
    x = 61,329,289.94/12,134.49
  6. Step 6: Final answer
    x = 5,054.13

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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.