Home / 18,422.82-27,635.10-5,277.12

Finding the Fourth Proportional to 18,422.82, 27,635.10 and 5,277.12

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Solution

The fourth proportional to 18,422.82, 27,635.10 and 5,277.12 is: 7,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.82 : 27,635.10 = 5,277.12 : x
  2. Step 2: Convert to fraction form
    18,422.82/27,635.10 = 5,277.12/x
  3. Step 3: Cross multiply
    18,422.82x = 27,635.10 × 5,277.12
  4. Step 4: Simplify right side
    18,422.82x = 145,833,738.91
  5. Step 5: Solve for x
    x = 145,833,738.91/18,422.82
  6. Step 6: Final answer
    x = 7,915.93

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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.