Home / 18,522.32-25,564.97-11,806.61

Finding the Fourth Proportional to 18,522.32, 25,564.97 and 11,806.61

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Solution

The fourth proportional to 18,522.32, 25,564.97 and 11,806.61 is: 16,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.32 : 25,564.97 = 11,806.61 : x
  2. Step 2: Convert to fraction form
    18,522.32/25,564.97 = 11,806.61/x
  3. Step 3: Cross multiply
    18,522.32x = 25,564.97 × 11,806.61
  4. Step 4: Simplify right side
    18,522.32x = 301,835,571.42
  5. Step 5: Solve for x
    x = 301,835,571.42/18,522.32
  6. Step 6: Final answer
    x = 16,295.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.