Home / 18,334.73-27,515.20-7,812.12

Finding the Fourth Proportional to 18,334.73, 27,515.20 and 7,812.12

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Solution

The fourth proportional to 18,334.73, 27,515.20 and 7,812.12 is: 11,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.73 : 27,515.20 = 7,812.12 : x
  2. Step 2: Convert to fraction form
    18,334.73/27,515.20 = 7,812.12/x
  3. Step 3: Cross multiply
    18,334.73x = 27,515.20 × 7,812.12
  4. Step 4: Simplify right side
    18,334.73x = 214,952,044.22
  5. Step 5: Solve for x
    x = 214,952,044.22/18,334.73
  6. Step 6: Final answer
    x = 11,723.76

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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.