Home / 13,212.07-19,821.41-9,324.07

Finding the Fourth Proportional to 13,212.07, 19,821.41 and 9,324.07

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Solution

The fourth proportional to 13,212.07, 19,821.41 and 9,324.07 is: 13,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.07 : 19,821.41 = 9,324.07 : x
  2. Step 2: Convert to fraction form
    13,212.07/19,821.41 = 9,324.07/x
  3. Step 3: Cross multiply
    13,212.07x = 19,821.41 × 9,324.07
  4. Step 4: Simplify right side
    13,212.07x = 184,816,167.72
  5. Step 5: Solve for x
    x = 184,816,167.72/13,212.07
  6. Step 6: Final answer
    x = 13,988.43

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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.