Home / 18,716.27-25,792.93-13,401.86

Finding the Fourth Proportional to 18,716.27, 25,792.93 and 13,401.86

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Solution

The fourth proportional to 18,716.27, 25,792.93 and 13,401.86 is: 18,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.27 : 25,792.93 = 13,401.86 : x
  2. Step 2: Convert to fraction form
    18,716.27/25,792.93 = 13,401.86/x
  3. Step 3: Cross multiply
    18,716.27x = 25,792.93 × 13,401.86
  4. Step 4: Simplify right side
    18,716.27x = 345,673,124.64
  5. Step 5: Solve for x
    x = 345,673,124.64/18,716.27
  6. Step 6: Final answer
    x = 18,469.13

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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.