Home / 13,425.44-20,132.96-5,101.08

Finding the Fourth Proportional to 13,425.44, 20,132.96 and 5,101.08

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Solution

The fourth proportional to 13,425.44, 20,132.96 and 5,101.08 is: 7,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.44 : 20,132.96 = 5,101.08 : x
  2. Step 2: Convert to fraction form
    13,425.44/20,132.96 = 5,101.08/x
  3. Step 3: Cross multiply
    13,425.44x = 20,132.96 × 5,101.08
  4. Step 4: Simplify right side
    13,425.44x = 102,699,839.60
  5. Step 5: Solve for x
    x = 102,699,839.60/13,425.44
  6. Step 6: Final answer
    x = 7,649.64

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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.