Home / 13,020.68-19,534.26-3,786.68

Finding the Fourth Proportional to 13,020.68, 19,534.26 and 3,786.68

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Solution

The fourth proportional to 13,020.68, 19,534.26 and 3,786.68 is: 5,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.68 : 19,534.26 = 3,786.68 : x
  2. Step 2: Convert to fraction form
    13,020.68/19,534.26 = 3,786.68/x
  3. Step 3: Cross multiply
    13,020.68x = 19,534.26 × 3,786.68
  4. Step 4: Simplify right side
    13,020.68x = 73,969,991.66
  5. Step 5: Solve for x
    x = 73,969,991.66/13,020.68
  6. Step 6: Final answer
    x = 5,680.96

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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.