Home / 13,214.10-19,821.32-3,353.14

Finding the Fourth Proportional to 13,214.10, 19,821.32 and 3,353.14

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Solution

The fourth proportional to 13,214.10, 19,821.32 and 3,353.14 is: 5,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.10 : 19,821.32 = 3,353.14 : x
  2. Step 2: Convert to fraction form
    13,214.10/19,821.32 = 3,353.14/x
  3. Step 3: Cross multiply
    13,214.10x = 19,821.32 × 3,353.14
  4. Step 4: Simplify right side
    13,214.10x = 66,463,660.94
  5. Step 5: Solve for x
    x = 66,463,660.94/13,214.10
  6. Step 6: Final answer
    x = 5,029.75

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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.