Home / 9,169.62-13,745.14-3,615.32

Finding the Fourth Proportional to 9,169.62, 13,745.14 and 3,615.32

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Solution

The fourth proportional to 9,169.62, 13,745.14 and 3,615.32 is: 5,419.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.62 : 13,745.14 = 3,615.32 : x
  2. Step 2: Convert to fraction form
    9,169.62/13,745.14 = 3,615.32/x
  3. Step 3: Cross multiply
    9,169.62x = 13,745.14 × 3,615.32
  4. Step 4: Simplify right side
    9,169.62x = 49,693,079.54
  5. Step 5: Solve for x
    x = 49,693,079.54/9,169.62
  6. Step 6: Final answer
    x = 5,419.32

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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.