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Finding the Fourth Proportional to 22,548.03, 33,812.43 and 7,758.45

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Solution

The fourth proportional to 22,548.03, 33,812.43 and 7,758.45 is: 11,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.03 : 33,812.43 = 7,758.45 : x
  2. Step 2: Convert to fraction form
    22,548.03/33,812.43 = 7,758.45/x
  3. Step 3: Cross multiply
    22,548.03x = 33,812.43 × 7,758.45
  4. Step 4: Simplify right side
    22,548.03x = 262,332,047.53
  5. Step 5: Solve for x
    x = 262,332,047.53/22,548.03
  6. Step 6: Final answer
    x = 11,634.37

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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.