Home / 13,828.02-20,745.11-3,966.54

Finding the Fourth Proportional to 13,828.02, 20,745.11 and 3,966.54

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Solution

The fourth proportional to 13,828.02, 20,745.11 and 3,966.54 is: 5,950.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.02 : 20,745.11 = 3,966.54 : x
  2. Step 2: Convert to fraction form
    13,828.02/20,745.11 = 3,966.54/x
  3. Step 3: Cross multiply
    13,828.02x = 20,745.11 × 3,966.54
  4. Step 4: Simplify right side
    13,828.02x = 82,286,288.79
  5. Step 5: Solve for x
    x = 82,286,288.79/13,828.02
  6. Step 6: Final answer
    x = 5,950.69

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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.