Home / 12,698.97-19,043.19-4,800.12

Finding the Fourth Proportional to 12,698.97, 19,043.19 and 4,800.12

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Solution

The fourth proportional to 12,698.97, 19,043.19 and 4,800.12 is: 7,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.97 : 19,043.19 = 4,800.12 : x
  2. Step 2: Convert to fraction form
    12,698.97/19,043.19 = 4,800.12/x
  3. Step 3: Cross multiply
    12,698.97x = 19,043.19 × 4,800.12
  4. Step 4: Simplify right side
    12,698.97x = 91,409,597.18
  5. Step 5: Solve for x
    x = 91,409,597.18/12,698.97
  6. Step 6: Final answer
    x = 7,198.19

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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.