Home / 13,414.53-20,123.72-4,181.25

Finding the Fourth Proportional to 13,414.53, 20,123.72 and 4,181.25

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Solution

The fourth proportional to 13,414.53, 20,123.72 and 4,181.25 is: 6,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.53 : 20,123.72 = 4,181.25 : x
  2. Step 2: Convert to fraction form
    13,414.53/20,123.72 = 4,181.25/x
  3. Step 3: Cross multiply
    13,414.53x = 20,123.72 × 4,181.25
  4. Step 4: Simplify right side
    13,414.53x = 84,142,304.25
  5. Step 5: Solve for x
    x = 84,142,304.25/13,414.53
  6. Step 6: Final answer
    x = 6,272.48

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1.5x scale

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.