Home / 10,221.06-15,329.16-2,825.36

Finding the Fourth Proportional to 10,221.06, 15,329.16 and 2,825.36

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Solution

The fourth proportional to 10,221.06, 15,329.16 and 2,825.36 is: 4,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.06 : 15,329.16 = 2,825.36 : x
  2. Step 2: Convert to fraction form
    10,221.06/15,329.16 = 2,825.36/x
  3. Step 3: Cross multiply
    10,221.06x = 15,329.16 × 2,825.36
  4. Step 4: Simplify right side
    10,221.06x = 43,310,395.50
  5. Step 5: Solve for x
    x = 43,310,395.50/10,221.06
  6. Step 6: Final answer
    x = 4,237.37

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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.