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Finding the Fourth Proportional to 22,447.99, 33,661.68 and 6,647.41

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Solution

The fourth proportional to 22,447.99, 33,661.68 and 6,647.41 is: 9,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,447.99 : 33,661.68 = 6,647.41 : x
  2. Step 2: Convert to fraction form
    22,447.99/33,661.68 = 6,647.41/x
  3. Step 3: Cross multiply
    22,447.99x = 33,661.68 × 6,647.41
  4. Step 4: Simplify right side
    22,447.99x = 223,762,988.25
  5. Step 5: Solve for x
    x = 223,762,988.25/22,447.99
  6. Step 6: Final answer
    x = 9,968.06

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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.