Home / 20,672.06-31,007.97-7,524.43

Finding the Fourth Proportional to 20,672.06, 31,007.97 and 7,524.43

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Solution

The fourth proportional to 20,672.06, 31,007.97 and 7,524.43 is: 11,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672.06 : 31,007.97 = 7,524.43 : x
  2. Step 2: Convert to fraction form
    20,672.06/31,007.97 = 7,524.43/x
  3. Step 3: Cross multiply
    20,672.06x = 31,007.97 × 7,524.43
  4. Step 4: Simplify right side
    20,672.06x = 233,317,222.19
  5. Step 5: Solve for x
    x = 233,317,222.19/20,672.06
  6. Step 6: Final answer
    x = 11,286.60

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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.