Home / 11,933.92-17,900.88-4,142.53

Finding the Fourth Proportional to 11,933.92, 17,900.88 and 4,142.53

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Solution

The fourth proportional to 11,933.92, 17,900.88 and 4,142.53 is: 6,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.92 : 17,900.88 = 4,142.53 : x
  2. Step 2: Convert to fraction form
    11,933.92/17,900.88 = 4,142.53/x
  3. Step 3: Cross multiply
    11,933.92x = 17,900.88 × 4,142.53
  4. Step 4: Simplify right side
    11,933.92x = 74,154,932.43
  5. Step 5: Solve for x
    x = 74,154,932.43/11,933.92
  6. Step 6: Final answer
    x = 6,213.80

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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.