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Finding the Fourth Proportional to 17,851.73, 24,636.21 and 9,894.12

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Solution

The fourth proportional to 17,851.73, 24,636.21 and 9,894.12 is: 13,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.73 : 24,636.21 = 9,894.12 : x
  2. Step 2: Convert to fraction form
    17,851.73/24,636.21 = 9,894.12/x
  3. Step 3: Cross multiply
    17,851.73x = 24,636.21 × 9,894.12
  4. Step 4: Simplify right side
    17,851.73x = 243,753,766.03
  5. Step 5: Solve for x
    x = 243,753,766.03/17,851.73
  6. Step 6: Final answer
    x = 13,654.35

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1.5x scale

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.