Home / 18,791.23-28,188.17-7,546.57

Finding the Fourth Proportional to 18,791.23, 28,188.17 and 7,546.57

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Solution

The fourth proportional to 18,791.23, 28,188.17 and 7,546.57 is: 11,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791.23 : 28,188.17 = 7,546.57 : x
  2. Step 2: Convert to fraction form
    18,791.23/28,188.17 = 7,546.57/x
  3. Step 3: Cross multiply
    18,791.23x = 28,188.17 × 7,546.57
  4. Step 4: Simplify right side
    18,791.23x = 212,723,960.34
  5. Step 5: Solve for x
    x = 212,723,960.34/18,791.23
  6. Step 6: Final answer
    x = 11,320.39

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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.