Home / 18,374.28-25,318.98-17,381.82

Finding the Fourth Proportional to 18,374.28, 25,318.98 and 17,381.82

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Solution

The fourth proportional to 18,374.28, 25,318.98 and 17,381.82 is: 23,951.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.28 : 25,318.98 = 17,381.82 : x
  2. Step 2: Convert to fraction form
    18,374.28/25,318.98 = 17,381.82/x
  3. Step 3: Cross multiply
    18,374.28x = 25,318.98 × 17,381.82
  4. Step 4: Simplify right side
    18,374.28x = 440,089,952.94
  5. Step 5: Solve for x
    x = 440,089,952.94/18,374.28
  6. Step 6: Final answer
    x = 23,951.41

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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.