Home / 14,188.12-21,281.79-4,327

Finding the Fourth Proportional to 14,188.12, 21,281.79 and 4,327

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Solution

The fourth proportional to 14,188.12, 21,281.79 and 4,327 is: 6,490.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.12 : 21,281.79 = 4,327 : x
  2. Step 2: Convert to fraction form
    14,188.12/21,281.79 = 4,327/x
  3. Step 3: Cross multiply
    14,188.12x = 21,281.79 × 4,327
  4. Step 4: Simplify right side
    14,188.12x = 92,086,305.33
  5. Step 5: Solve for x
    x = 92,086,305.33/14,188.12
  6. Step 6: Final answer
    x = 6,490.38

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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.