Home / 22,173.78-33,273.63-13,409.58

Finding the Fourth Proportional to 22,173.78, 33,273.63 and 13,409.58

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Solution

The fourth proportional to 22,173.78, 33,273.63 and 13,409.58 is: 20,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.78 : 33,273.63 = 13,409.58 : x
  2. Step 2: Convert to fraction form
    22,173.78/33,273.63 = 13,409.58/x
  3. Step 3: Cross multiply
    22,173.78x = 33,273.63 × 13,409.58
  4. Step 4: Simplify right side
    22,173.78x = 446,185,403.38
  5. Step 5: Solve for x
    x = 446,185,403.38/22,173.78
  6. Step 6: Final answer
    x = 20,122.21

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1.5x scale

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.