Home / 19,145.82-28,712.35-8,050.44

Finding the Fourth Proportional to 19,145.82, 28,712.35 and 8,050.44

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Solution

The fourth proportional to 19,145.82, 28,712.35 and 8,050.44 is: 12,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.82 : 28,712.35 = 8,050.44 : x
  2. Step 2: Convert to fraction form
    19,145.82/28,712.35 = 8,050.44/x
  3. Step 3: Cross multiply
    19,145.82x = 28,712.35 × 8,050.44
  4. Step 4: Simplify right side
    19,145.82x = 231,147,050.93
  5. Step 5: Solve for x
    x = 231,147,050.93/19,145.82
  6. Step 6: Final answer
    x = 12,072.98

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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.