Home / 13,450.21-20,175.41-4,685.11

Finding the Fourth Proportional to 13,450.21, 20,175.41 and 4,685.11

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Solution

The fourth proportional to 13,450.21, 20,175.41 and 4,685.11 is: 7,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.21 : 20,175.41 = 4,685.11 : x
  2. Step 2: Convert to fraction form
    13,450.21/20,175.41 = 4,685.11/x
  3. Step 3: Cross multiply
    13,450.21x = 20,175.41 × 4,685.11
  4. Step 4: Simplify right side
    13,450.21x = 94,523,976.42
  5. Step 5: Solve for x
    x = 94,523,976.42/13,450.21
  6. Step 6: Final answer
    x = 7,027.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.