Home / 10,912.18-16,384.68-6,549.16

Finding the Fourth Proportional to 10,912.18, 16,384.68 and 6,549.16

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Solution

The fourth proportional to 10,912.18, 16,384.68 and 6,549.16 is: 9,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.18 : 16,384.68 = 6,549.16 : x
  2. Step 2: Convert to fraction form
    10,912.18/16,384.68 = 6,549.16/x
  3. Step 3: Cross multiply
    10,912.18x = 16,384.68 × 6,549.16
  4. Step 4: Simplify right side
    10,912.18x = 107,305,890.87
  5. Step 5: Solve for x
    x = 107,305,890.87/10,912.18
  6. Step 6: Final answer
    x = 9,833.59

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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.