Home / 22,213.80-33,266.70-11,802.60

Finding the Fourth Proportional to 22,213.80, 33,266.70 and 11,802.60

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Solution

The fourth proportional to 22,213.80, 33,266.70 and 11,802.60 is: 17,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.80 : 33,266.70 = 11,802.60 : x
  2. Step 2: Convert to fraction form
    22,213.80/33,266.70 = 11,802.60/x
  3. Step 3: Cross multiply
    22,213.80x = 33,266.70 × 11,802.60
  4. Step 4: Simplify right side
    22,213.80x = 392,633,553.42
  5. Step 5: Solve for x
    x = 392,633,553.42/22,213.80
  6. Step 6: Final answer
    x = 17,675.21

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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.