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Finding the Fourth Proportional to 11,405.95, 17,100.11 and 7,237.28

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Solution

The fourth proportional to 11,405.95, 17,100.11 and 7,237.28 is: 10,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,405.95 : 17,100.11 = 7,237.28 : x
  2. Step 2: Convert to fraction form
    11,405.95/17,100.11 = 7,237.28/x
  3. Step 3: Cross multiply
    11,405.95x = 17,100.11 × 7,237.28
  4. Step 4: Simplify right side
    11,405.95x = 123,758,344.94
  5. Step 5: Solve for x
    x = 123,758,344.94/11,405.95
  6. Step 6: Final answer
    x = 10,850.33

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1.5x scale

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.