Home / 10,933.26-16,398.12-3,911.96

Finding the Fourth Proportional to 10,933.26, 16,398.12 and 3,911.96

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Solution

The fourth proportional to 10,933.26, 16,398.12 and 3,911.96 is: 5,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.26 : 16,398.12 = 3,911.96 : x
  2. Step 2: Convert to fraction form
    10,933.26/16,398.12 = 3,911.96/x
  3. Step 3: Cross multiply
    10,933.26x = 16,398.12 × 3,911.96
  4. Step 4: Simplify right side
    10,933.26x = 64,148,845.18
  5. Step 5: Solve for x
    x = 64,148,845.18/10,933.26
  6. Step 6: Final answer
    x = 5,867.31

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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.