Home / 12,517.81-17,273.40-7,481.03

Finding the Fourth Proportional to 12,517.81, 17,273.40 and 7,481.03

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Solution

The fourth proportional to 12,517.81, 17,273.40 and 7,481.03 is: 10,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.81 : 17,273.40 = 7,481.03 : x
  2. Step 2: Convert to fraction form
    12,517.81/17,273.40 = 7,481.03/x
  3. Step 3: Cross multiply
    12,517.81x = 17,273.40 × 7,481.03
  4. Step 4: Simplify right side
    12,517.81x = 129,222,751.26
  5. Step 5: Solve for x
    x = 129,222,751.26/12,517.81
  6. Step 6: Final answer
    x = 10,323.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.