Home / 18,243.14-27,360.74-4,915.82

Finding the Fourth Proportional to 18,243.14, 27,360.74 and 4,915.82

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Solution

The fourth proportional to 18,243.14, 27,360.74 and 4,915.82 is: 7,372.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.14 : 27,360.74 = 4,915.82 : x
  2. Step 2: Convert to fraction form
    18,243.14/27,360.74 = 4,915.82/x
  3. Step 3: Cross multiply
    18,243.14x = 27,360.74 × 4,915.82
  4. Step 4: Simplify right side
    18,243.14x = 134,500,472.91
  5. Step 5: Solve for x
    x = 134,500,472.91/18,243.14
  6. Step 6: Final answer
    x = 7,372.66

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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.