Home / 17,209.56-25,816.50-5,519.64

Finding the Fourth Proportional to 17,209.56, 25,816.50 and 5,519.64

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Solution

The fourth proportional to 17,209.56, 25,816.50 and 5,519.64 is: 8,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,209.56 : 25,816.50 = 5,519.64 : x
  2. Step 2: Convert to fraction form
    17,209.56/25,816.50 = 5,519.64/x
  3. Step 3: Cross multiply
    17,209.56x = 25,816.50 × 5,519.64
  4. Step 4: Simplify right side
    17,209.56x = 142,497,786.06
  5. Step 5: Solve for x
    x = 142,497,786.06/17,209.56
  6. Step 6: Final answer
    x = 8,280.15

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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.