Home / 16,648.20-24,989.01-7,769.61

Finding the Fourth Proportional to 16,648.20, 24,989.01 and 7,769.61

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Solution

The fourth proportional to 16,648.20, 24,989.01 and 7,769.61 is: 11,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,648.20 : 24,989.01 = 7,769.61 : x
  2. Step 2: Convert to fraction form
    16,648.20/24,989.01 = 7,769.61/x
  3. Step 3: Cross multiply
    16,648.20x = 24,989.01 × 7,769.61
  4. Step 4: Simplify right side
    16,648.20x = 194,154,861.99
  5. Step 5: Solve for x
    x = 194,154,861.99/16,648.20
  6. Step 6: Final answer
    x = 11,662.21

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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.