Home / 13,611.33-20,414.52-3,748.50

Finding the Fourth Proportional to 13,611.33, 20,414.52 and 3,748.50

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Solution

The fourth proportional to 13,611.33, 20,414.52 and 3,748.50 is: 5,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611.33 : 20,414.52 = 3,748.50 : x
  2. Step 2: Convert to fraction form
    13,611.33/20,414.52 = 3,748.50/x
  3. Step 3: Cross multiply
    13,611.33x = 20,414.52 × 3,748.50
  4. Step 4: Simplify right side
    13,611.33x = 76,523,828.22
  5. Step 5: Solve for x
    x = 76,523,828.22/13,611.33
  6. Step 6: Final answer
    x = 5,622.07

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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.