Home / 12,818.82-19,235.07-5,027.70

Finding the Fourth Proportional to 12,818.82, 19,235.07 and 5,027.70

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Solution

The fourth proportional to 12,818.82, 19,235.07 and 5,027.70 is: 7,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.82 : 19,235.07 = 5,027.70 : x
  2. Step 2: Convert to fraction form
    12,818.82/19,235.07 = 5,027.70/x
  3. Step 3: Cross multiply
    12,818.82x = 19,235.07 × 5,027.70
  4. Step 4: Simplify right side
    12,818.82x = 96,708,161.44
  5. Step 5: Solve for x
    x = 96,708,161.44/12,818.82
  6. Step 6: Final answer
    x = 7,544.23

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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.