Home / 13,230.35-19,843.80-3,369.03

Finding the Fourth Proportional to 13,230.35, 19,843.80 and 3,369.03

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Solution

The fourth proportional to 13,230.35, 19,843.80 and 3,369.03 is: 5,053.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.35 : 19,843.80 = 3,369.03 : x
  2. Step 2: Convert to fraction form
    13,230.35/19,843.80 = 3,369.03/x
  3. Step 3: Cross multiply
    13,230.35x = 19,843.80 × 3,369.03
  4. Step 4: Simplify right side
    13,230.35x = 66,854,357.51
  5. Step 5: Solve for x
    x = 66,854,357.51/13,230.35
  6. Step 6: Final answer
    x = 5,053.11

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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.