Home / 10,783.21-16,174.67-3,388.12

Finding the Fourth Proportional to 10,783.21, 16,174.67 and 3,388.12

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Solution

The fourth proportional to 10,783.21, 16,174.67 and 3,388.12 is: 5,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783.21 : 16,174.67 = 3,388.12 : x
  2. Step 2: Convert to fraction form
    10,783.21/16,174.67 = 3,388.12/x
  3. Step 3: Cross multiply
    10,783.21x = 16,174.67 × 3,388.12
  4. Step 4: Simplify right side
    10,783.21x = 54,801,722.92
  5. Step 5: Solve for x
    x = 54,801,722.92/10,783.21
  6. Step 6: Final answer
    x = 5,082.13

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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.