Home / 13,836.68-20,755.10-3,448.43

Finding the Fourth Proportional to 13,836.68, 20,755.10 and 3,448.43

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Solution

The fourth proportional to 13,836.68, 20,755.10 and 3,448.43 is: 5,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.68 : 20,755.10 = 3,448.43 : x
  2. Step 2: Convert to fraction form
    13,836.68/20,755.10 = 3,448.43/x
  3. Step 3: Cross multiply
    13,836.68x = 20,755.10 × 3,448.43
  4. Step 4: Simplify right side
    13,836.68x = 71,572,509.49
  5. Step 5: Solve for x
    x = 71,572,509.49/13,836.68
  6. Step 6: Final answer
    x = 5,172.66

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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.