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Finding the Fourth Proportional to 15,959.16, 23,906.73 and 9,630.42

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Solution

The fourth proportional to 15,959.16, 23,906.73 and 9,630.42 is: 14,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.16 : 23,906.73 = 9,630.42 : x
  2. Step 2: Convert to fraction form
    15,959.16/23,906.73 = 9,630.42/x
  3. Step 3: Cross multiply
    15,959.16x = 23,906.73 × 9,630.42
  4. Step 4: Simplify right side
    15,959.16x = 230,231,850.73
  5. Step 5: Solve for x
    x = 230,231,850.73/15,959.16
  6. Step 6: Final answer
    x = 14,426.31

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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.