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Finding the Fourth Proportional to 16,260, 22,438.81 and 8,808

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Solution

The fourth proportional to 16,260, 22,438.81 and 8,808 is: 12,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260 : 22,438.81 = 8,808 : x
  2. Step 2: Convert to fraction form
    16,260/22,438.81 = 8,808/x
  3. Step 3: Cross multiply
    16,260x = 22,438.81 × 8,808
  4. Step 4: Simplify right side
    16,260x = 197,640,994.44
  5. Step 5: Solve for x
    x = 197,640,994.44/16,260
  6. Step 6: Final answer
    x = 12,155.04

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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.