Home / 13,344.35-20,016.82-4,579.34

Finding the Fourth Proportional to 13,344.35, 20,016.82 and 4,579.34

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Solution

The fourth proportional to 13,344.35, 20,016.82 and 4,579.34 is: 6,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.35 : 20,016.82 = 4,579.34 : x
  2. Step 2: Convert to fraction form
    13,344.35/20,016.82 = 4,579.34/x
  3. Step 3: Cross multiply
    13,344.35x = 20,016.82 × 4,579.34
  4. Step 4: Simplify right side
    13,344.35x = 91,663,730.14
  5. Step 5: Solve for x
    x = 91,663,730.14/13,344.35
  6. Step 6: Final answer
    x = 6,869.11

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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.