Home / 18,766.94-28,158.58-11,763

Finding the Fourth Proportional to 18,766.94, 28,158.58 and 11,763

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Solution

The fourth proportional to 18,766.94, 28,158.58 and 11,763 is: 17,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.94 : 28,158.58 = 11,763 : x
  2. Step 2: Convert to fraction form
    18,766.94/28,158.58 = 11,763/x
  3. Step 3: Cross multiply
    18,766.94x = 28,158.58 × 11,763
  4. Step 4: Simplify right side
    18,766.94x = 331,229,376.54
  5. Step 5: Solve for x
    x = 331,229,376.54/18,766.94
  6. Step 6: Final answer
    x = 17,649.62

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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.