Home / 16,889.31-23,310.99-11,233.89

Finding the Fourth Proportional to 16,889.31, 23,310.99 and 11,233.89

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Solution

The fourth proportional to 16,889.31, 23,310.99 and 11,233.89 is: 15,505.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,889.31 : 23,310.99 = 11,233.89 : x
  2. Step 2: Convert to fraction form
    16,889.31/23,310.99 = 11,233.89/x
  3. Step 3: Cross multiply
    16,889.31x = 23,310.99 × 11,233.89
  4. Step 4: Simplify right side
    16,889.31x = 261,873,097.45
  5. Step 5: Solve for x
    x = 261,873,097.45/16,889.31
  6. Step 6: Final answer
    x = 15,505.26

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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.