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Finding the Fourth Proportional to 16,244.10, 22,416.78 and 8,792.10

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Solution

The fourth proportional to 16,244.10, 22,416.78 and 8,792.10 is: 12,133.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,244.10 : 22,416.78 = 8,792.10 : x
  2. Step 2: Convert to fraction form
    16,244.10/22,416.78 = 8,792.10/x
  3. Step 3: Cross multiply
    16,244.10x = 22,416.78 × 8,792.10
  4. Step 4: Simplify right side
    16,244.10x = 197,090,571.44
  5. Step 5: Solve for x
    x = 197,090,571.44/16,244.10
  6. Step 6: Final answer
    x = 12,133.06

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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.