Home / 14,259.42-21,380.92-5,493.19

Finding the Fourth Proportional to 14,259.42, 21,380.92 and 5,493.19

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Solution

The fourth proportional to 14,259.42, 21,380.92 and 5,493.19 is: 8,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.42 : 21,380.92 = 5,493.19 : x
  2. Step 2: Convert to fraction form
    14,259.42/21,380.92 = 5,493.19/x
  3. Step 3: Cross multiply
    14,259.42x = 21,380.92 × 5,493.19
  4. Step 4: Simplify right side
    14,259.42x = 117,449,455.93
  5. Step 5: Solve for x
    x = 117,449,455.93/14,259.42
  6. Step 6: Final answer
    x = 8,236.62

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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.