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Finding the Fourth Proportional to 22,018.72, 33,019.44 and 8,868.64

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Solution

The fourth proportional to 22,018.72, 33,019.44 and 8,868.64 is: 13,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.72 : 33,019.44 = 8,868.64 : x
  2. Step 2: Convert to fraction form
    22,018.72/33,019.44 = 8,868.64/x
  3. Step 3: Cross multiply
    22,018.72x = 33,019.44 × 8,868.64
  4. Step 4: Simplify right side
    22,018.72x = 292,837,526.36
  5. Step 5: Solve for x
    x = 292,837,526.36/22,018.72
  6. Step 6: Final answer
    x = 13,299.48

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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.