Home / 16,982.55-23,447.34-12,996.54

Finding the Fourth Proportional to 16,982.55, 23,447.34 and 12,996.54

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Solution

The fourth proportional to 16,982.55, 23,447.34 and 12,996.54 is: 17,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.55 : 23,447.34 = 12,996.54 : x
  2. Step 2: Convert to fraction form
    16,982.55/23,447.34 = 12,996.54/x
  3. Step 3: Cross multiply
    16,982.55x = 23,447.34 × 12,996.54
  4. Step 4: Simplify right side
    16,982.55x = 304,734,292.20
  5. Step 5: Solve for x
    x = 304,734,292.20/16,982.55
  6. Step 6: Final answer
    x = 17,943.97

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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.