Home / 18,934.26-28,401.38-7,837.97

Finding the Fourth Proportional to 18,934.26, 28,401.38 and 7,837.97

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Solution

The fourth proportional to 18,934.26, 28,401.38 and 7,837.97 is: 11,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.26 : 28,401.38 = 7,837.97 : x
  2. Step 2: Convert to fraction form
    18,934.26/28,401.38 = 7,837.97/x
  3. Step 3: Cross multiply
    18,934.26x = 28,401.38 × 7,837.97
  4. Step 4: Simplify right side
    18,934.26x = 222,609,056.68
  5. Step 5: Solve for x
    x = 222,609,056.68/18,934.26
  6. Step 6: Final answer
    x = 11,756.95

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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.