Home / 11,612.54-17,418.82-4,685.42

Finding the Fourth Proportional to 11,612.54, 17,418.82 and 4,685.42

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Solution

The fourth proportional to 11,612.54, 17,418.82 and 4,685.42 is: 7,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.54 : 17,418.82 = 4,685.42 : x
  2. Step 2: Convert to fraction form
    11,612.54/17,418.82 = 4,685.42/x
  3. Step 3: Cross multiply
    11,612.54x = 17,418.82 × 4,685.42
  4. Step 4: Simplify right side
    11,612.54x = 81,614,487.60
  5. Step 5: Solve for x
    x = 81,614,487.60/11,612.54
  6. Step 6: Final answer
    x = 7,028.13

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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.