Home / 11,379.74-17,069.60-3,589.16

Finding the Fourth Proportional to 11,379.74, 17,069.60 and 3,589.16

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Solution

The fourth proportional to 11,379.74, 17,069.60 and 3,589.16 is: 5,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.74 : 17,069.60 = 3,589.16 : x
  2. Step 2: Convert to fraction form
    11,379.74/17,069.60 = 3,589.16/x
  3. Step 3: Cross multiply
    11,379.74x = 17,069.60 × 3,589.16
  4. Step 4: Simplify right side
    11,379.74x = 61,265,449.16
  5. Step 5: Solve for x
    x = 61,265,449.16/11,379.74
  6. Step 6: Final answer
    x = 5,383.73

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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.