Home / 17,022.45-25,418.93-13,908.62

Finding the Fourth Proportional to 17,022.45, 25,418.93 and 13,908.62

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Solution

The fourth proportional to 17,022.45, 25,418.93 and 13,908.62 is: 20,769.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,022.45 : 25,418.93 = 13,908.62 : x
  2. Step 2: Convert to fraction form
    17,022.45/25,418.93 = 13,908.62/x
  3. Step 3: Cross multiply
    17,022.45x = 25,418.93 × 13,908.62
  4. Step 4: Simplify right side
    17,022.45x = 353,542,041.54
  5. Step 5: Solve for x
    x = 353,542,041.54/17,022.45
  6. Step 6: Final answer
    x = 20,769.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.