Home / 20,230.14-27,915.03-11,615.82

Finding the Fourth Proportional to 20,230.14, 27,915.03 and 11,615.82

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Solution

The fourth proportional to 20,230.14, 27,915.03 and 11,615.82 is: 16,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.14 : 27,915.03 = 11,615.82 : x
  2. Step 2: Convert to fraction form
    20,230.14/27,915.03 = 11,615.82/x
  3. Step 3: Cross multiply
    20,230.14x = 27,915.03 × 11,615.82
  4. Step 4: Simplify right side
    20,230.14x = 324,255,963.77
  5. Step 5: Solve for x
    x = 324,255,963.77/20,230.14
  6. Step 6: Final answer
    x = 16,028.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.