Home / 13,273.49-19,918.34-5,481.29

Finding the Fourth Proportional to 13,273.49, 19,918.34 and 5,481.29

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Solution

The fourth proportional to 13,273.49, 19,918.34 and 5,481.29 is: 8,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.49 : 19,918.34 = 5,481.29 : x
  2. Step 2: Convert to fraction form
    13,273.49/19,918.34 = 5,481.29/x
  3. Step 3: Cross multiply
    13,273.49x = 19,918.34 × 5,481.29
  4. Step 4: Simplify right side
    13,273.49x = 109,178,070.86
  5. Step 5: Solve for x
    x = 109,178,070.86/13,273.49
  6. Step 6: Final answer
    x = 8,225.28

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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.