Home / 13,835.56-20,736.06-6,912.04

Finding the Fourth Proportional to 13,835.56, 20,736.06 and 6,912.04

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Solution

The fourth proportional to 13,835.56, 20,736.06 and 6,912.04 is: 10,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.56 : 20,736.06 = 6,912.04 : x
  2. Step 2: Convert to fraction form
    13,835.56/20,736.06 = 6,912.04/x
  3. Step 3: Cross multiply
    13,835.56x = 20,736.06 × 6,912.04
  4. Step 4: Simplify right side
    13,835.56x = 143,328,476.16
  5. Step 5: Solve for x
    x = 143,328,476.16/13,835.56
  6. Step 6: Final answer
    x = 10,359.43

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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.