Home / 13,183.29-19,748.79-6,933.87

Finding the Fourth Proportional to 13,183.29, 19,748.79 and 6,933.87

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Solution

The fourth proportional to 13,183.29, 19,748.79 and 6,933.87 is: 10,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.29 : 19,748.79 = 6,933.87 : x
  2. Step 2: Convert to fraction form
    13,183.29/19,748.79 = 6,933.87/x
  3. Step 3: Cross multiply
    13,183.29x = 19,748.79 × 6,933.87
  4. Step 4: Simplify right side
    13,183.29x = 136,935,542.52
  5. Step 5: Solve for x
    x = 136,935,542.52/13,183.29
  6. Step 6: Final answer
    x = 10,387.05

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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.