Home / 20,252.36-30,378.54-6,212.43

Finding the Fourth Proportional to 20,252.36, 30,378.54 and 6,212.43

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Solution

The fourth proportional to 20,252.36, 30,378.54 and 6,212.43 is: 9,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.36 : 30,378.54 = 6,212.43 : x
  2. Step 2: Convert to fraction form
    20,252.36/30,378.54 = 6,212.43/x
  3. Step 3: Cross multiply
    20,252.36x = 30,378.54 × 6,212.43
  4. Step 4: Simplify right side
    20,252.36x = 188,724,553.25
  5. Step 5: Solve for x
    x = 188,724,553.25/20,252.36
  6. Step 6: Final answer
    x = 9,318.65

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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.