Home / 22,388.40-33,604.20-11,307.60

Finding the Fourth Proportional to 22,388.40, 33,604.20 and 11,307.60

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Solution

The fourth proportional to 22,388.40, 33,604.20 and 11,307.60 is: 16,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.40 : 33,604.20 = 11,307.60 : x
  2. Step 2: Convert to fraction form
    22,388.40/33,604.20 = 11,307.60/x
  3. Step 3: Cross multiply
    22,388.40x = 33,604.20 × 11,307.60
  4. Step 4: Simplify right side
    22,388.40x = 379,982,851.92
  5. Step 5: Solve for x
    x = 379,982,851.92/22,388.40
  6. Step 6: Final answer
    x = 16,972.31

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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.