Home / 11,300.90-16,955.42-3,906.11

Finding the Fourth Proportional to 11,300.90, 16,955.42 and 3,906.11

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Solution

The fourth proportional to 11,300.90, 16,955.42 and 3,906.11 is: 5,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.90 : 16,955.42 = 3,906.11 : x
  2. Step 2: Convert to fraction form
    11,300.90/16,955.42 = 3,906.11/x
  3. Step 3: Cross multiply
    11,300.90x = 16,955.42 × 3,906.11
  4. Step 4: Simplify right side
    11,300.90x = 66,229,631.31
  5. Step 5: Solve for x
    x = 66,229,631.31/11,300.90
  6. Step 6: Final answer
    x = 5,860.57

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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.