Home / 17,270.58-25,908.30-8,505.57

Finding the Fourth Proportional to 17,270.58, 25,908.30 and 8,505.57

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Solution

The fourth proportional to 17,270.58, 25,908.30 and 8,505.57 is: 12,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,270.58 : 25,908.30 = 8,505.57 : x
  2. Step 2: Convert to fraction form
    17,270.58/25,908.30 = 8,505.57/x
  3. Step 3: Cross multiply
    17,270.58x = 25,908.30 × 8,505.57
  4. Step 4: Simplify right side
    17,270.58x = 220,364,859.23
  5. Step 5: Solve for x
    x = 220,364,859.23/17,270.58
  6. Step 6: Final answer
    x = 12,759.55

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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.