Home / 13,709.26-20,564.01-3,321.02

Finding the Fourth Proportional to 13,709.26, 20,564.01 and 3,321.02

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Solution

The fourth proportional to 13,709.26, 20,564.01 and 3,321.02 is: 4,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.26 : 20,564.01 = 3,321.02 : x
  2. Step 2: Convert to fraction form
    13,709.26/20,564.01 = 3,321.02/x
  3. Step 3: Cross multiply
    13,709.26x = 20,564.01 × 3,321.02
  4. Step 4: Simplify right side
    13,709.26x = 68,293,488.49
  5. Step 5: Solve for x
    x = 68,293,488.49/13,709.26
  6. Step 6: Final answer
    x = 4,981.56

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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.