Home / 17,089.56-25,617.90-5,394.78

Finding the Fourth Proportional to 17,089.56, 25,617.90 and 5,394.78

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Solution

The fourth proportional to 17,089.56, 25,617.90 and 5,394.78 is: 8,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.56 : 25,617.90 = 5,394.78 : x
  2. Step 2: Convert to fraction form
    17,089.56/25,617.90 = 5,394.78/x
  3. Step 3: Cross multiply
    17,089.56x = 25,617.90 × 5,394.78
  4. Step 4: Simplify right side
    17,089.56x = 138,202,934.56
  5. Step 5: Solve for x
    x = 138,202,934.56/17,089.56
  6. Step 6: Final answer
    x = 8,086.98

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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.