Home / 22,317.72-33,441-11,787.36

Finding the Fourth Proportional to 22,317.72, 33,441 and 11,787.36

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Solution

The fourth proportional to 22,317.72, 33,441 and 11,787.36 is: 17,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.72 : 33,441 = 11,787.36 : x
  2. Step 2: Convert to fraction form
    22,317.72/33,441 = 11,787.36/x
  3. Step 3: Cross multiply
    22,317.72x = 33,441 × 11,787.36
  4. Step 4: Simplify right side
    22,317.72x = 394,181,105.76
  5. Step 5: Solve for x
    x = 394,181,105.76/22,317.72
  6. Step 6: Final answer
    x = 17,662.25

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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.