Home / 14,125.28-21,194.82-5,691.43

Finding the Fourth Proportional to 14,125.28, 21,194.82 and 5,691.43

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Solution

The fourth proportional to 14,125.28, 21,194.82 and 5,691.43 is: 8,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.28 : 21,194.82 = 5,691.43 : x
  2. Step 2: Convert to fraction form
    14,125.28/21,194.82 = 5,691.43/x
  3. Step 3: Cross multiply
    14,125.28x = 21,194.82 × 5,691.43
  4. Step 4: Simplify right side
    14,125.28x = 120,628,834.39
  5. Step 5: Solve for x
    x = 120,628,834.39/14,125.28
  6. Step 6: Final answer
    x = 8,539.93

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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.