Home / 16,755.89-25,084.63-13,221.15

Finding the Fourth Proportional to 16,755.89, 25,084.63 and 13,221.15

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Solution

The fourth proportional to 16,755.89, 25,084.63 and 13,221.15 is: 19,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.89 : 25,084.63 = 13,221.15 : x
  2. Step 2: Convert to fraction form
    16,755.89/25,084.63 = 13,221.15/x
  3. Step 3: Cross multiply
    16,755.89x = 25,084.63 × 13,221.15
  4. Step 4: Simplify right side
    16,755.89x = 331,647,655.92
  5. Step 5: Solve for x
    x = 331,647,655.92/16,755.89
  6. Step 6: Final answer
    x = 19,792.90

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1.5x scale

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.