Home / 9,108.35-13,653.81-3,559.85

Finding the Fourth Proportional to 9,108.35, 13,653.81 and 3,559.85

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Solution

The fourth proportional to 9,108.35, 13,653.81 and 3,559.85 is: 5,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.35 : 13,653.81 = 3,559.85 : x
  2. Step 2: Convert to fraction form
    9,108.35/13,653.81 = 3,559.85/x
  3. Step 3: Cross multiply
    9,108.35x = 13,653.81 × 3,559.85
  4. Step 4: Simplify right side
    9,108.35x = 48,605,447.26
  5. Step 5: Solve for x
    x = 48,605,447.26/9,108.35
  6. Step 6: Final answer
    x = 5,336.36

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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.