Home / 13,387.94-20,082.43-4,029.29

Finding the Fourth Proportional to 13,387.94, 20,082.43 and 4,029.29

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Solution

The fourth proportional to 13,387.94, 20,082.43 and 4,029.29 is: 6,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.94 : 20,082.43 = 4,029.29 : x
  2. Step 2: Convert to fraction form
    13,387.94/20,082.43 = 4,029.29/x
  3. Step 3: Cross multiply
    13,387.94x = 20,082.43 × 4,029.29
  4. Step 4: Simplify right side
    13,387.94x = 80,917,944.61
  5. Step 5: Solve for x
    x = 80,917,944.61/13,387.94
  6. Step 6: Final answer
    x = 6,044.09

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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.