Home / 13,301.88-19,956.48-3,942.36

Finding the Fourth Proportional to 13,301.88, 19,956.48 and 3,942.36

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Solution

The fourth proportional to 13,301.88, 19,956.48 and 3,942.36 is: 5,914.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.88 : 19,956.48 = 3,942.36 : x
  2. Step 2: Convert to fraction form
    13,301.88/19,956.48 = 3,942.36/x
  3. Step 3: Cross multiply
    13,301.88x = 19,956.48 × 3,942.36
  4. Step 4: Simplify right side
    13,301.88x = 78,675,628.49
  5. Step 5: Solve for x
    x = 78,675,628.49/13,301.88
  6. Step 6: Final answer
    x = 5,914.62

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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.