Home / 12,673.11-19,006.85-3,665.26

Finding the Fourth Proportional to 12,673.11, 19,006.85 and 3,665.26

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Solution

The fourth proportional to 12,673.11, 19,006.85 and 3,665.26 is: 5,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.11 : 19,006.85 = 3,665.26 : x
  2. Step 2: Convert to fraction form
    12,673.11/19,006.85 = 3,665.26/x
  3. Step 3: Cross multiply
    12,673.11x = 19,006.85 × 3,665.26
  4. Step 4: Simplify right side
    12,673.11x = 69,664,942.83
  5. Step 5: Solve for x
    x = 69,664,942.83/12,673.11
  6. Step 6: Final answer
    x = 5,497.07

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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.