Home / 13,827.87-20,745.36-3,967.83

Finding the Fourth Proportional to 13,827.87, 20,745.36 and 3,967.83

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Solution

The fourth proportional to 13,827.87, 20,745.36 and 3,967.83 is: 5,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.87 : 20,745.36 = 3,967.83 : x
  2. Step 2: Convert to fraction form
    13,827.87/20,745.36 = 3,967.83/x
  3. Step 3: Cross multiply
    13,827.87x = 20,745.36 × 3,967.83
  4. Step 4: Simplify right side
    13,827.87x = 82,314,061.77
  5. Step 5: Solve for x
    x = 82,314,061.77/13,827.87
  6. Step 6: Final answer
    x = 5,952.77

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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.