Home / 17,319.80-25,921.38-10,399.16

Finding the Fourth Proportional to 17,319.80, 25,921.38 and 10,399.16

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Solution

The fourth proportional to 17,319.80, 25,921.38 and 10,399.16 is: 15,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.80 : 25,921.38 = 10,399.16 : x
  2. Step 2: Convert to fraction form
    17,319.80/25,921.38 = 10,399.16/x
  3. Step 3: Cross multiply
    17,319.80x = 25,921.38 × 10,399.16
  4. Step 4: Simplify right side
    17,319.80x = 269,560,578.04
  5. Step 5: Solve for x
    x = 269,560,578.04/17,319.80
  6. Step 6: Final answer
    x = 15,563.72

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1.5x scale

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.