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Finding the Fourth Proportional to 16,702, 23,042.40 and 11,039.44

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Solution

The fourth proportional to 16,702, 23,042.40 and 11,039.44 is: 15,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702 : 23,042.40 = 11,039.44 : x
  2. Step 2: Convert to fraction form
    16,702/23,042.40 = 11,039.44/x
  3. Step 3: Cross multiply
    16,702x = 23,042.40 × 11,039.44
  4. Step 4: Simplify right side
    16,702x = 254,375,192.26
  5. Step 5: Solve for x
    x = 254,375,192.26/16,702
  6. Step 6: Final answer
    x = 15,230.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.