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Finding the Fourth Proportional to 11,031.84, 16,584.21 and 10,220.22

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Solution

The fourth proportional to 11,031.84, 16,584.21 and 10,220.22 is: 15,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.84 : 16,584.21 = 10,220.22 : x
  2. Step 2: Convert to fraction form
    11,031.84/16,584.21 = 10,220.22/x
  3. Step 3: Cross multiply
    11,031.84x = 16,584.21 × 10,220.22
  4. Step 4: Simplify right side
    11,031.84x = 169,494,274.73
  5. Step 5: Solve for x
    x = 169,494,274.73/11,031.84
  6. Step 6: Final answer
    x = 15,364.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.