Home / 13,564.78-20,346.94-3,704.02

Finding the Fourth Proportional to 13,564.78, 20,346.94 and 3,704.02

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Solution

The fourth proportional to 13,564.78, 20,346.94 and 3,704.02 is: 5,555.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.78 : 20,346.94 = 3,704.02 : x
  2. Step 2: Convert to fraction form
    13,564.78/20,346.94 = 3,704.02/x
  3. Step 3: Cross multiply
    13,564.78x = 20,346.94 × 3,704.02
  4. Step 4: Simplify right side
    13,564.78x = 75,365,472.70
  5. Step 5: Solve for x
    x = 75,365,472.70/13,564.78
  6. Step 6: Final answer
    x = 5,555.97

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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.