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Finding the Fourth Proportional to 16,434, 22,679.48 and 8,982.48

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Solution

The fourth proportional to 16,434, 22,679.48 and 8,982.48 is: 12,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434 : 22,679.48 = 8,982.48 : x
  2. Step 2: Convert to fraction form
    16,434/22,679.48 = 8,982.48/x
  3. Step 3: Cross multiply
    16,434x = 22,679.48 × 8,982.48
  4. Step 4: Simplify right side
    16,434x = 203,717,975.51
  5. Step 5: Solve for x
    x = 203,717,975.51/16,434
  6. Step 6: Final answer
    x = 12,396.13

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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.