Home / 10,228.25-15,342.56-3,208.11

Finding the Fourth Proportional to 10,228.25, 15,342.56 and 3,208.11

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Solution

The fourth proportional to 10,228.25, 15,342.56 and 3,208.11 is: 4,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.25 : 15,342.56 = 3,208.11 : x
  2. Step 2: Convert to fraction form
    10,228.25/15,342.56 = 3,208.11/x
  3. Step 3: Cross multiply
    10,228.25x = 15,342.56 × 3,208.11
  4. Step 4: Simplify right side
    10,228.25x = 49,220,576.66
  5. Step 5: Solve for x
    x = 49,220,576.66/10,228.25
  6. Step 6: Final answer
    x = 4,812.22

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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.