Home / 13,273.30-19,907.20-3,911.36

Finding the Fourth Proportional to 13,273.30, 19,907.20 and 3,911.36

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Solution

The fourth proportional to 13,273.30, 19,907.20 and 3,911.36 is: 5,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.30 : 19,907.20 = 3,911.36 : x
  2. Step 2: Convert to fraction form
    13,273.30/19,907.20 = 3,911.36/x
  3. Step 3: Cross multiply
    13,273.30x = 19,907.20 × 3,911.36
  4. Step 4: Simplify right side
    13,273.30x = 77,864,131.15
  5. Step 5: Solve for x
    x = 77,864,131.15/13,273.30
  6. Step 6: Final answer
    x = 5,866.22

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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.