Home / 13,811.82-20,723.19-5,047.41

Finding the Fourth Proportional to 13,811.82, 20,723.19 and 5,047.41

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Solution

The fourth proportional to 13,811.82, 20,723.19 and 5,047.41 is: 7,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.82 : 20,723.19 = 5,047.41 : x
  2. Step 2: Convert to fraction form
    13,811.82/20,723.19 = 5,047.41/x
  3. Step 3: Cross multiply
    13,811.82x = 20,723.19 × 5,047.41
  4. Step 4: Simplify right side
    13,811.82x = 104,598,523.61
  5. Step 5: Solve for x
    x = 104,598,523.61/13,811.82
  6. Step 6: Final answer
    x = 7,573.12

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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.