Home / 18,962.09-28,388.04-11,040.44

Finding the Fourth Proportional to 18,962.09, 28,388.04 and 11,040.44

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Solution

The fourth proportional to 18,962.09, 28,388.04 and 11,040.44 is: 16,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.09 : 28,388.04 = 11,040.44 : x
  2. Step 2: Convert to fraction form
    18,962.09/28,388.04 = 11,040.44/x
  3. Step 3: Cross multiply
    18,962.09x = 28,388.04 × 11,040.44
  4. Step 4: Simplify right side
    18,962.09x = 313,416,310.40
  5. Step 5: Solve for x
    x = 313,416,310.40/18,962.09
  6. Step 6: Final answer
    x = 16,528.58

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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.