Home / 13,163.84-19,747.92-5,370.56

Finding the Fourth Proportional to 13,163.84, 19,747.92 and 5,370.56

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Solution

The fourth proportional to 13,163.84, 19,747.92 and 5,370.56 is: 8,056.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.84 : 19,747.92 = 5,370.56 : x
  2. Step 2: Convert to fraction form
    13,163.84/19,747.92 = 5,370.56/x
  3. Step 3: Cross multiply
    13,163.84x = 19,747.92 × 5,370.56
  4. Step 4: Simplify right side
    13,163.84x = 106,057,389.24
  5. Step 5: Solve for x
    x = 106,057,389.24/13,163.84
  6. Step 6: Final answer
    x = 8,056.72

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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.