Home / 13,331.48-19,960.25-6,743.88

Finding the Fourth Proportional to 13,331.48, 19,960.25 and 6,743.88

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Solution

The fourth proportional to 13,331.48, 19,960.25 and 6,743.88 is: 10,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.48 : 19,960.25 = 6,743.88 : x
  2. Step 2: Convert to fraction form
    13,331.48/19,960.25 = 6,743.88/x
  3. Step 3: Cross multiply
    13,331.48x = 19,960.25 × 6,743.88
  4. Step 4: Simplify right side
    13,331.48x = 134,609,497.05
  5. Step 5: Solve for x
    x = 134,609,497.05/13,331.48
  6. Step 6: Final answer
    x = 10,097.12

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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.