Home / 14,956.82-20,641.31-8,242.43

Finding the Fourth Proportional to 14,956.82, 20,641.31 and 8,242.43

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Solution

The fourth proportional to 14,956.82, 20,641.31 and 8,242.43 is: 11,375.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.82 : 20,641.31 = 8,242.43 : x
  2. Step 2: Convert to fraction form
    14,956.82/20,641.31 = 8,242.43/x
  3. Step 3: Cross multiply
    14,956.82x = 20,641.31 × 8,242.43
  4. Step 4: Simplify right side
    14,956.82x = 170,134,408.36
  5. Step 5: Solve for x
    x = 170,134,408.36/14,956.82
  6. Step 6: Final answer
    x = 11,375.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.