Home / 13,818.33-20,723.58-3,954.96

Finding the Fourth Proportional to 13,818.33, 20,723.58 and 3,954.96

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Solution

The fourth proportional to 13,818.33, 20,723.58 and 3,954.96 is: 5,931.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.33 : 20,723.58 = 3,954.96 : x
  2. Step 2: Convert to fraction form
    13,818.33/20,723.58 = 3,954.96/x
  3. Step 3: Cross multiply
    13,818.33x = 20,723.58 × 3,954.96
  4. Step 4: Simplify right side
    13,818.33x = 81,960,929.96
  5. Step 5: Solve for x
    x = 81,960,929.96/13,818.33
  6. Step 6: Final answer
    x = 5,931.32

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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.