Home / 13,296.92-19,945.32-3,435.36

Finding the Fourth Proportional to 13,296.92, 19,945.32 and 3,435.36

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Solution

The fourth proportional to 13,296.92, 19,945.32 and 3,435.36 is: 5,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.92 : 19,945.32 = 3,435.36 : x
  2. Step 2: Convert to fraction form
    13,296.92/19,945.32 = 3,435.36/x
  3. Step 3: Cross multiply
    13,296.92x = 19,945.32 × 3,435.36
  4. Step 4: Simplify right side
    13,296.92x = 68,519,354.52
  5. Step 5: Solve for x
    x = 68,519,354.52/13,296.92
  6. Step 6: Final answer
    x = 5,153.02

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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.