Home / 13,203.79-19,806.98-3,843.90

Finding the Fourth Proportional to 13,203.79, 19,806.98 and 3,843.90

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Solution

The fourth proportional to 13,203.79, 19,806.98 and 3,843.90 is: 5,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.79 : 19,806.98 = 3,843.90 : x
  2. Step 2: Convert to fraction form
    13,203.79/19,806.98 = 3,843.90/x
  3. Step 3: Cross multiply
    13,203.79x = 19,806.98 × 3,843.90
  4. Step 4: Simplify right side
    13,203.79x = 76,136,031.20
  5. Step 5: Solve for x
    x = 76,136,031.20/13,203.79
  6. Step 6: Final answer
    x = 5,766.23

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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.