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Finding the Fourth Proportional to 11,233.80, 16,850.70 and 9,046.80

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Solution

The fourth proportional to 11,233.80, 16,850.70 and 9,046.80 is: 13,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.80 : 16,850.70 = 9,046.80 : x
  2. Step 2: Convert to fraction form
    11,233.80/16,850.70 = 9,046.80/x
  3. Step 3: Cross multiply
    11,233.80x = 16,850.70 × 9,046.80
  4. Step 4: Simplify right side
    11,233.80x = 152,444,912.76
  5. Step 5: Solve for x
    x = 152,444,912.76/11,233.80
  6. Step 6: Final answer
    x = 13,570.20

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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.