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Finding the Fourth Proportional to 16,025.13, 22,116.90 and 8,952

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Solution

The fourth proportional to 16,025.13, 22,116.90 and 8,952 is: 12,355.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,025.13 : 22,116.90 = 8,952 : x
  2. Step 2: Convert to fraction form
    16,025.13/22,116.90 = 8,952/x
  3. Step 3: Cross multiply
    16,025.13x = 22,116.90 × 8,952
  4. Step 4: Simplify right side
    16,025.13x = 197,990,488.80
  5. Step 5: Solve for x
    x = 197,990,488.80/16,025.13
  6. Step 6: Final answer
    x = 12,355.00

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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.