Home / 12,843.39-19,265.03-4,078.98

Finding the Fourth Proportional to 12,843.39, 19,265.03 and 4,078.98

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Solution

The fourth proportional to 12,843.39, 19,265.03 and 4,078.98 is: 6,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.39 : 19,265.03 = 4,078.98 : x
  2. Step 2: Convert to fraction form
    12,843.39/19,265.03 = 4,078.98/x
  3. Step 3: Cross multiply
    12,843.39x = 19,265.03 × 4,078.98
  4. Step 4: Simplify right side
    12,843.39x = 78,581,651.67
  5. Step 5: Solve for x
    x = 78,581,651.67/12,843.39
  6. Step 6: Final answer
    x = 6,118.45

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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.