Home / 14,409.35-21,614.03-3,879.39

Finding the Fourth Proportional to 14,409.35, 21,614.03 and 3,879.39

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Solution

The fourth proportional to 14,409.35, 21,614.03 and 3,879.39 is: 5,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.35 : 21,614.03 = 3,879.39 : x
  2. Step 2: Convert to fraction form
    14,409.35/21,614.03 = 3,879.39/x
  3. Step 3: Cross multiply
    14,409.35x = 21,614.03 × 3,879.39
  4. Step 4: Simplify right side
    14,409.35x = 83,849,232.44
  5. Step 5: Solve for x
    x = 83,849,232.44/14,409.35
  6. Step 6: Final answer
    x = 5,819.09

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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.