Home / 14,118-21,178.26-3,729.75

Finding the Fourth Proportional to 14,118, 21,178.26 and 3,729.75

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Solution

The fourth proportional to 14,118, 21,178.26 and 3,729.75 is: 5,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118 : 21,178.26 = 3,729.75 : x
  2. Step 2: Convert to fraction form
    14,118/21,178.26 = 3,729.75/x
  3. Step 3: Cross multiply
    14,118x = 21,178.26 × 3,729.75
  4. Step 4: Simplify right side
    14,118x = 78,989,615.24
  5. Step 5: Solve for x
    x = 78,989,615.24/14,118
  6. Step 6: Final answer
    x = 5,594.96

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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.