Home / 12,738.16-19,067.19-8,041.92

Finding the Fourth Proportional to 12,738.16, 19,067.19 and 8,041.92

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Solution

The fourth proportional to 12,738.16, 19,067.19 and 8,041.92 is: 12,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.16 : 19,067.19 = 8,041.92 : x
  2. Step 2: Convert to fraction form
    12,738.16/19,067.19 = 8,041.92/x
  3. Step 3: Cross multiply
    12,738.16x = 19,067.19 × 8,041.92
  4. Step 4: Simplify right side
    12,738.16x = 153,336,816.60
  5. Step 5: Solve for x
    x = 153,336,816.60/12,738.16
  6. Step 6: Final answer
    x = 12,037.60

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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.