Home / 20,453.42-30,675.54-7,969.16

Finding the Fourth Proportional to 20,453.42, 30,675.54 and 7,969.16

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Solution

The fourth proportional to 20,453.42, 30,675.54 and 7,969.16 is: 11,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453.42 : 30,675.54 = 7,969.16 : x
  2. Step 2: Convert to fraction form
    20,453.42/30,675.54 = 7,969.16/x
  3. Step 3: Cross multiply
    20,453.42x = 30,675.54 × 7,969.16
  4. Step 4: Simplify right side
    20,453.42x = 244,458,286.35
  5. Step 5: Solve for x
    x = 244,458,286.35/20,453.42
  6. Step 6: Final answer
    x = 11,951.95

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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.