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Finding the Fourth Proportional to 16,792.56, 25,163.16 and 8,449.29

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Solution

The fourth proportional to 16,792.56, 25,163.16 and 8,449.29 is: 12,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,792.56 : 25,163.16 = 8,449.29 : x
  2. Step 2: Convert to fraction form
    16,792.56/25,163.16 = 8,449.29/x
  3. Step 3: Cross multiply
    16,792.56x = 25,163.16 × 8,449.29
  4. Step 4: Simplify right side
    16,792.56x = 212,610,836.16
  5. Step 5: Solve for x
    x = 212,610,836.16/16,792.56
  6. Step 6: Final answer
    x = 12,661.01

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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.