Home / 12,515.37-17,269.09-7,481.62

Finding the Fourth Proportional to 12,515.37, 17,269.09 and 7,481.62

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Solution

The fourth proportional to 12,515.37, 17,269.09 and 7,481.62 is: 10,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.37 : 17,269.09 = 7,481.62 : x
  2. Step 2: Convert to fraction form
    12,515.37/17,269.09 = 7,481.62/x
  3. Step 3: Cross multiply
    12,515.37x = 17,269.09 × 7,481.62
  4. Step 4: Simplify right side
    12,515.37x = 129,200,769.13
  5. Step 5: Solve for x
    x = 129,200,769.13/12,515.37
  6. Step 6: Final answer
    x = 10,323.37

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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.