Home / 9,238.39-13,857.16-3,394.57

Finding the Fourth Proportional to 9,238.39, 13,857.16 and 3,394.57

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Solution

The fourth proportional to 9,238.39, 13,857.16 and 3,394.57 is: 5,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.39 : 13,857.16 = 3,394.57 : x
  2. Step 2: Convert to fraction form
    9,238.39/13,857.16 = 3,394.57/x
  3. Step 3: Cross multiply
    9,238.39x = 13,857.16 × 3,394.57
  4. Step 4: Simplify right side
    9,238.39x = 47,039,099.62
  5. Step 5: Solve for x
    x = 47,039,099.62/9,238.39
  6. Step 6: Final answer
    x = 5,091.70

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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.