Home / 21,694.31-32,504.31-11,840.50

Finding the Fourth Proportional to 21,694.31, 32,504.31 and 11,840.50

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Solution

The fourth proportional to 21,694.31, 32,504.31 and 11,840.50 is: 17,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694.31 : 32,504.31 = 11,840.50 : x
  2. Step 2: Convert to fraction form
    21,694.31/32,504.31 = 11,840.50/x
  3. Step 3: Cross multiply
    21,694.31x = 32,504.31 × 11,840.50
  4. Step 4: Simplify right side
    21,694.31x = 384,867,282.56
  5. Step 5: Solve for x
    x = 384,867,282.56/21,694.31
  6. Step 6: Final answer
    x = 17,740.48

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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.