Home / 13,961.79-20,942.96-11,175.53

Finding the Fourth Proportional to 13,961.79, 20,942.96 and 11,175.53

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Solution

The fourth proportional to 13,961.79, 20,942.96 and 11,175.53 is: 16,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.79 : 20,942.96 = 11,175.53 : x
  2. Step 2: Convert to fraction form
    13,961.79/20,942.96 = 11,175.53/x
  3. Step 3: Cross multiply
    13,961.79x = 20,942.96 × 11,175.53
  4. Step 4: Simplify right side
    13,961.79x = 234,048,517.18
  5. Step 5: Solve for x
    x = 234,048,517.18/13,961.79
  6. Step 6: Final answer
    x = 16,763.50

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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.