Home / 13,103.87-19,656.41-3,745.23

Finding the Fourth Proportional to 13,103.87, 19,656.41 and 3,745.23

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Solution

The fourth proportional to 13,103.87, 19,656.41 and 3,745.23 is: 5,618.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.87 : 19,656.41 = 3,745.23 : x
  2. Step 2: Convert to fraction form
    13,103.87/19,656.41 = 3,745.23/x
  3. Step 3: Cross multiply
    13,103.87x = 19,656.41 × 3,745.23
  4. Step 4: Simplify right side
    13,103.87x = 73,617,757.70
  5. Step 5: Solve for x
    x = 73,617,757.70/13,103.87
  6. Step 6: Final answer
    x = 5,618.02

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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.