Home / 13,143.26-19,714.89-3,282.53

Finding the Fourth Proportional to 13,143.26, 19,714.89 and 3,282.53

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Solution

The fourth proportional to 13,143.26, 19,714.89 and 3,282.53 is: 4,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,143.26 : 19,714.89 = 3,282.53 : x
  2. Step 2: Convert to fraction form
    13,143.26/19,714.89 = 3,282.53/x
  3. Step 3: Cross multiply
    13,143.26x = 19,714.89 × 3,282.53
  4. Step 4: Simplify right side
    13,143.26x = 64,714,619.30
  5. Step 5: Solve for x
    x = 64,714,619.30/13,143.26
  6. Step 6: Final answer
    x = 4,923.79

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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.