Home / 22,205.41-30,629.14-13,246

Finding the Fourth Proportional to 22,205.41, 30,629.14 and 13,246

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Solution

The fourth proportional to 22,205.41, 30,629.14 and 13,246 is: 18,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.41 : 30,629.14 = 13,246 : x
  2. Step 2: Convert to fraction form
    22,205.41/30,629.14 = 13,246/x
  3. Step 3: Cross multiply
    22,205.41x = 30,629.14 × 13,246
  4. Step 4: Simplify right side
    22,205.41x = 405,713,588.44
  5. Step 5: Solve for x
    x = 405,713,588.44/22,205.41
  6. Step 6: Final answer
    x = 18,270.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.