Home / 13,505.00-20,257.29-3,645.27

Finding the Fourth Proportional to 13,505.00, 20,257.29 and 3,645.27

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Solution

The fourth proportional to 13,505.00, 20,257.29 and 3,645.27 is: 5,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.00 : 20,257.29 = 3,645.27 : x
  2. Step 2: Convert to fraction form
    13,505.00/20,257.29 = 3,645.27/x
  3. Step 3: Cross multiply
    13,505.00x = 20,257.29 × 3,645.27
  4. Step 4: Simplify right side
    13,505.00x = 73,843,291.52
  5. Step 5: Solve for x
    x = 73,843,291.52/13,505.00
  6. Step 6: Final answer
    x = 5,467.85

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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.