Home / 16,755.84-23,122.80-9,201.78

Finding the Fourth Proportional to 16,755.84, 23,122.80 and 9,201.78

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Solution

The fourth proportional to 16,755.84, 23,122.80 and 9,201.78 is: 12,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.84 : 23,122.80 = 9,201.78 : x
  2. Step 2: Convert to fraction form
    16,755.84/23,122.80 = 9,201.78/x
  3. Step 3: Cross multiply
    16,755.84x = 23,122.80 × 9,201.78
  4. Step 4: Simplify right side
    16,755.84x = 212,770,918.58
  5. Step 5: Solve for x
    x = 212,770,918.58/16,755.84
  6. Step 6: Final answer
    x = 12,698.31

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1.5x scale

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.