Home / 22,239.89-33,363.78-7,450.30

Finding the Fourth Proportional to 22,239.89, 33,363.78 and 7,450.30

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Solution

The fourth proportional to 22,239.89, 33,363.78 and 7,450.30 is: 11,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.89 : 33,363.78 = 7,450.30 : x
  2. Step 2: Convert to fraction form
    22,239.89/33,363.78 = 7,450.30/x
  3. Step 3: Cross multiply
    22,239.89x = 33,363.78 × 7,450.30
  4. Step 4: Simplify right side
    22,239.89x = 248,570,170.13
  5. Step 5: Solve for x
    x = 248,570,170.13/22,239.89
  6. Step 6: Final answer
    x = 11,176.77

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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.