Home / 18,188.64-27,257.31-14,474.34

Finding the Fourth Proportional to 18,188.64, 27,257.31 and 14,474.34

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Solution

The fourth proportional to 18,188.64, 27,257.31 and 14,474.34 is: 21,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.64 : 27,257.31 = 14,474.34 : x
  2. Step 2: Convert to fraction form
    18,188.64/27,257.31 = 14,474.34/x
  3. Step 3: Cross multiply
    18,188.64x = 27,257.31 × 14,474.34
  4. Step 4: Simplify right side
    18,188.64x = 394,531,572.43
  5. Step 5: Solve for x
    x = 394,531,572.43/18,188.64
  6. Step 6: Final answer
    x = 21,691.10

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1.5x scale

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.