Home / 13,369.28-20,056.80-6,351.68

Finding the Fourth Proportional to 13,369.28, 20,056.80 and 6,351.68

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Solution

The fourth proportional to 13,369.28, 20,056.80 and 6,351.68 is: 9,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.28 : 20,056.80 = 6,351.68 : x
  2. Step 2: Convert to fraction form
    13,369.28/20,056.80 = 6,351.68/x
  3. Step 3: Cross multiply
    13,369.28x = 20,056.80 × 6,351.68
  4. Step 4: Simplify right side
    13,369.28x = 127,394,375.42
  5. Step 5: Solve for x
    x = 127,394,375.42/13,369.28
  6. Step 6: Final answer
    x = 9,528.89

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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.