Home / 12,228.25-18,329.95-4,822.54

Finding the Fourth Proportional to 12,228.25, 18,329.95 and 4,822.54

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Solution

The fourth proportional to 12,228.25, 18,329.95 and 4,822.54 is: 7,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.25 : 18,329.95 = 4,822.54 : x
  2. Step 2: Convert to fraction form
    12,228.25/18,329.95 = 4,822.54/x
  3. Step 3: Cross multiply
    12,228.25x = 18,329.95 × 4,822.54
  4. Step 4: Simplify right side
    12,228.25x = 88,396,917.07
  5. Step 5: Solve for x
    x = 88,396,917.07/12,228.25
  6. Step 6: Final answer
    x = 7,228.91

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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.