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Finding the Fourth Proportional to 16,620, 24,930 and 5,676

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Solution

The fourth proportional to 16,620, 24,930 and 5,676 is: 8,514

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620 : 24,930 = 5,676 : x
  2. Step 2: Convert to fraction form
    16,620/24,930 = 5,676/x
  3. Step 3: Cross multiply
    16,620x = 24,930 × 5,676
  4. Step 4: Simplify right side
    16,620x = 141,502,680
  5. Step 5: Solve for x
    x = 141,502,680/16,620
  6. Step 6: Final answer
    x = 8,514

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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.