Home / 21,751.94-32,622.79-12,268.34

Finding the Fourth Proportional to 21,751.94, 32,622.79 and 12,268.34

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Solution

The fourth proportional to 21,751.94, 32,622.79 and 12,268.34 is: 18,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751.94 : 32,622.79 = 12,268.34 : x
  2. Step 2: Convert to fraction form
    21,751.94/32,622.79 = 12,268.34/x
  3. Step 3: Cross multiply
    21,751.94x = 32,622.79 × 12,268.34
  4. Step 4: Simplify right side
    21,751.94x = 400,227,418.13
  5. Step 5: Solve for x
    x = 400,227,418.13/21,751.94
  6. Step 6: Final answer
    x = 18,399.62

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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.