Home / 13,664.86-20,502.45-5,350.82

Finding the Fourth Proportional to 13,664.86, 20,502.45 and 5,350.82

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Solution

The fourth proportional to 13,664.86, 20,502.45 and 5,350.82 is: 8,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.86 : 20,502.45 = 5,350.82 : x
  2. Step 2: Convert to fraction form
    13,664.86/20,502.45 = 5,350.82/x
  3. Step 3: Cross multiply
    13,664.86x = 20,502.45 × 5,350.82
  4. Step 4: Simplify right side
    13,664.86x = 109,704,817.00
  5. Step 5: Solve for x
    x = 109,704,817.00/13,664.86
  6. Step 6: Final answer
    x = 8,028.24

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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.