Home / 14,360.25-21,540.38-3,972

Finding the Fourth Proportional to 14,360.25, 21,540.38 and 3,972

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Solution

The fourth proportional to 14,360.25, 21,540.38 and 3,972 is: 5,958

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,360.25 : 21,540.38 = 3,972 : x
  2. Step 2: Convert to fraction form
    14,360.25/21,540.38 = 3,972/x
  3. Step 3: Cross multiply
    14,360.25x = 21,540.38 × 3,972
  4. Step 4: Simplify right side
    14,360.25x = 85,558,369.50
  5. Step 5: Solve for x
    x = 85,558,369.50/14,360.25
  6. Step 6: Final answer
    x = 5,958

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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.