Home / 13,504.56-20,257.19-7,961.88

Finding the Fourth Proportional to 13,504.56, 20,257.19 and 7,961.88

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Solution

The fourth proportional to 13,504.56, 20,257.19 and 7,961.88 is: 11,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.56 : 20,257.19 = 7,961.88 : x
  2. Step 2: Convert to fraction form
    13,504.56/20,257.19 = 7,961.88/x
  3. Step 3: Cross multiply
    13,504.56x = 20,257.19 × 7,961.88
  4. Step 4: Simplify right side
    13,504.56x = 161,285,276.11
  5. Step 5: Solve for x
    x = 161,285,276.11/13,504.56
  6. Step 6: Final answer
    x = 11,943.02

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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.