Home / 17,318.05-25,977.08-4,170.42

Finding the Fourth Proportional to 17,318.05, 25,977.08 and 4,170.42

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Solution

The fourth proportional to 17,318.05, 25,977.08 and 4,170.42 is: 6,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.05 : 25,977.08 = 4,170.42 : x
  2. Step 2: Convert to fraction form
    17,318.05/25,977.08 = 4,170.42/x
  3. Step 3: Cross multiply
    17,318.05x = 25,977.08 × 4,170.42
  4. Step 4: Simplify right side
    17,318.05x = 108,335,393.11
  5. Step 5: Solve for x
    x = 108,335,393.11/17,318.05
  6. Step 6: Final answer
    x = 6,255.63

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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.