Home / 20,164.29-30,246.44-9,768.75

Finding the Fourth Proportional to 20,164.29, 30,246.44 and 9,768.75

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Solution

The fourth proportional to 20,164.29, 30,246.44 and 9,768.75 is: 14,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.29 : 30,246.44 = 9,768.75 : x
  2. Step 2: Convert to fraction form
    20,164.29/30,246.44 = 9,768.75/x
  3. Step 3: Cross multiply
    20,164.29x = 30,246.44 × 9,768.75
  4. Step 4: Simplify right side
    20,164.29x = 295,469,861.91
  5. Step 5: Solve for x
    x = 295,469,861.91/20,164.29
  6. Step 6: Final answer
    x = 14,653.13

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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.