Home / 12,042.97-18,062.62-3,278.57

Finding the Fourth Proportional to 12,042.97, 18,062.62 and 3,278.57

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Solution

The fourth proportional to 12,042.97, 18,062.62 and 3,278.57 is: 4,917.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.97 : 18,062.62 = 3,278.57 : x
  2. Step 2: Convert to fraction form
    12,042.97/18,062.62 = 3,278.57/x
  3. Step 3: Cross multiply
    12,042.97x = 18,062.62 × 3,278.57
  4. Step 4: Simplify right side
    12,042.97x = 59,219,465.54
  5. Step 5: Solve for x
    x = 59,219,465.54/12,042.97
  6. Step 6: Final answer
    x = 4,917.35

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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.