Home / 13,374.53-20,061.90-3,513.79

Finding the Fourth Proportional to 13,374.53, 20,061.90 and 3,513.79

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Solution

The fourth proportional to 13,374.53, 20,061.90 and 3,513.79 is: 5,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.53 : 20,061.90 = 3,513.79 : x
  2. Step 2: Convert to fraction form
    13,374.53/20,061.90 = 3,513.79/x
  3. Step 3: Cross multiply
    13,374.53x = 20,061.90 × 3,513.79
  4. Step 4: Simplify right side
    13,374.53x = 70,493,286.03
  5. Step 5: Solve for x
    x = 70,493,286.03/13,374.53
  6. Step 6: Final answer
    x = 5,270.71

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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.