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Finding the Fourth Proportional to 13,160.34, 19,745.97 and 5,760.99

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Solution

The fourth proportional to 13,160.34, 19,745.97 and 5,760.99 is: 8,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.34 : 19,745.97 = 5,760.99 : x
  2. Step 2: Convert to fraction form
    13,160.34/19,745.97 = 5,760.99/x
  3. Step 3: Cross multiply
    13,160.34x = 19,745.97 × 5,760.99
  4. Step 4: Simplify right side
    13,160.34x = 113,756,236.98
  5. Step 5: Solve for x
    x = 113,756,236.98/13,160.34
  6. Step 6: Final answer
    x = 8,643.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.