Home / 11,938.34-17,909.70-3,933.56

Finding the Fourth Proportional to 11,938.34, 17,909.70 and 3,933.56

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Solution

The fourth proportional to 11,938.34, 17,909.70 and 3,933.56 is: 5,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.34 : 17,909.70 = 3,933.56 : x
  2. Step 2: Convert to fraction form
    11,938.34/17,909.70 = 3,933.56/x
  3. Step 3: Cross multiply
    11,938.34x = 17,909.70 × 3,933.56
  4. Step 4: Simplify right side
    11,938.34x = 70,448,789.98
  5. Step 5: Solve for x
    x = 70,448,789.98/11,938.34
  6. Step 6: Final answer
    x = 5,901.06

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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.