Home / 13,165.53-19,747.68-3,304.59

Finding the Fourth Proportional to 13,165.53, 19,747.68 and 3,304.59

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Solution

The fourth proportional to 13,165.53, 19,747.68 and 3,304.59 is: 4,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.53 : 19,747.68 = 3,304.59 : x
  2. Step 2: Convert to fraction form
    13,165.53/19,747.68 = 3,304.59/x
  3. Step 3: Cross multiply
    13,165.53x = 19,747.68 × 3,304.59
  4. Step 4: Simplify right side
    13,165.53x = 65,257,985.85
  5. Step 5: Solve for x
    x = 65,257,985.85/13,165.53
  6. Step 6: Final answer
    x = 4,956.73

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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.