Home / 13,704.44-18,912.05-7,416.82

Finding the Fourth Proportional to 13,704.44, 18,912.05 and 7,416.82

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Solution

The fourth proportional to 13,704.44, 18,912.05 and 7,416.82 is: 10,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,704.44 : 18,912.05 = 7,416.82 : x
  2. Step 2: Convert to fraction form
    13,704.44/18,912.05 = 7,416.82/x
  3. Step 3: Cross multiply
    13,704.44x = 18,912.05 × 7,416.82
  4. Step 4: Simplify right side
    13,704.44x = 140,267,270.68
  5. Step 5: Solve for x
    x = 140,267,270.68/13,704.44
  6. Step 6: Final answer
    x = 10,235.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.