Home / 17,291.20-25,936.80-5,612.56

Finding the Fourth Proportional to 17,291.20, 25,936.80 and 5,612.56

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Solution

The fourth proportional to 17,291.20, 25,936.80 and 5,612.56 is: 8,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291.20 : 25,936.80 = 5,612.56 : x
  2. Step 2: Convert to fraction form
    17,291.20/25,936.80 = 5,612.56/x
  3. Step 3: Cross multiply
    17,291.20x = 25,936.80 × 5,612.56
  4. Step 4: Simplify right side
    17,291.20x = 145,571,846.21
  5. Step 5: Solve for x
    x = 145,571,846.21/17,291.20
  6. Step 6: Final answer
    x = 8,418.84

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Similar ratio
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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.