Home / 11,623.87-17,439.45-3,838.15

Finding the Fourth Proportional to 11,623.87, 17,439.45 and 3,838.15

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Solution

The fourth proportional to 11,623.87, 17,439.45 and 3,838.15 is: 5,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,623.87 : 17,439.45 = 3,838.15 : x
  2. Step 2: Convert to fraction form
    11,623.87/17,439.45 = 3,838.15/x
  3. Step 3: Cross multiply
    11,623.87x = 17,439.45 × 3,838.15
  4. Step 4: Simplify right side
    11,623.87x = 66,935,118.63
  5. Step 5: Solve for x
    x = 66,935,118.63/11,623.87
  6. Step 6: Final answer
    x = 5,758.42

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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.