Home / 18,910.08-28,326.18-11,100

Finding the Fourth Proportional to 18,910.08, 28,326.18 and 11,100

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Solution

The fourth proportional to 18,910.08, 28,326.18 and 11,100 is: 16,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.08 : 28,326.18 = 11,100 : x
  2. Step 2: Convert to fraction form
    18,910.08/28,326.18 = 11,100/x
  3. Step 3: Cross multiply
    18,910.08x = 28,326.18 × 11,100
  4. Step 4: Simplify right side
    18,910.08x = 314,420,598
  5. Step 5: Solve for x
    x = 314,420,598/18,910.08
  6. Step 6: Final answer
    x = 16,627.14

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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.