Home / 14,354.25-21,531.38-3,966

Finding the Fourth Proportional to 14,354.25, 21,531.38 and 3,966

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Solution

The fourth proportional to 14,354.25, 21,531.38 and 3,966 is: 5,949

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.25 : 21,531.38 = 3,966 : x
  2. Step 2: Convert to fraction form
    14,354.25/21,531.38 = 3,966/x
  3. Step 3: Cross multiply
    14,354.25x = 21,531.38 × 3,966
  4. Step 4: Simplify right side
    14,354.25x = 85,393,433.25
  5. Step 5: Solve for x
    x = 85,393,433.25/14,354.25
  6. Step 6: Final answer
    x = 5,949

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Double scale
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Similar ratio
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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.