Home / 20,268.96-30,356.46-11,932.44

Finding the Fourth Proportional to 20,268.96, 30,356.46 and 11,932.44

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Solution

The fourth proportional to 20,268.96, 30,356.46 and 11,932.44 is: 17,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268.96 : 30,356.46 = 11,932.44 : x
  2. Step 2: Convert to fraction form
    20,268.96/30,356.46 = 11,932.44/x
  3. Step 3: Cross multiply
    20,268.96x = 30,356.46 × 11,932.44
  4. Step 4: Simplify right side
    20,268.96x = 362,226,637.56
  5. Step 5: Solve for x
    x = 362,226,637.56/20,268.96
  6. Step 6: Final answer
    x = 17,871.00

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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.