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Finding the Fourth Proportional to 16,654, 22,984.20 and 9,202

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Solution

The fourth proportional to 16,654, 22,984.20 and 9,202 is: 12,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,654 : 22,984.20 = 9,202 : x
  2. Step 2: Convert to fraction form
    16,654/22,984.20 = 9,202/x
  3. Step 3: Cross multiply
    16,654x = 22,984.20 × 9,202
  4. Step 4: Simplify right side
    16,654x = 211,500,608.40
  5. Step 5: Solve for x
    x = 211,500,608.40/16,654
  6. Step 6: Final answer
    x = 12,699.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.