Home / 13,085.52-19,629.66-4,320.48

Finding the Fourth Proportional to 13,085.52, 19,629.66 and 4,320.48

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Solution

The fourth proportional to 13,085.52, 19,629.66 and 4,320.48 is: 6,481.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.52 : 19,629.66 = 4,320.48 : x
  2. Step 2: Convert to fraction form
    13,085.52/19,629.66 = 4,320.48/x
  3. Step 3: Cross multiply
    13,085.52x = 19,629.66 × 4,320.48
  4. Step 4: Simplify right side
    13,085.52x = 84,809,553.44
  5. Step 5: Solve for x
    x = 84,809,553.44/13,085.52
  6. Step 6: Final answer
    x = 6,481.18

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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.