Home / 13,302.27-19,997.15-12,339.99

Finding the Fourth Proportional to 13,302.27, 19,997.15 and 12,339.99

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Solution

The fourth proportional to 13,302.27, 19,997.15 and 12,339.99 is: 18,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.27 : 19,997.15 = 12,339.99 : x
  2. Step 2: Convert to fraction form
    13,302.27/19,997.15 = 12,339.99/x
  3. Step 3: Cross multiply
    13,302.27x = 19,997.15 × 12,339.99
  4. Step 4: Simplify right side
    13,302.27x = 246,764,569.33
  5. Step 5: Solve for x
    x = 246,764,569.33/13,302.27
  6. Step 6: Final answer
    x = 18,550.56

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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.