Home / 12,775.62-19,163.42-4,011.22

Finding the Fourth Proportional to 12,775.62, 19,163.42 and 4,011.22

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Solution

The fourth proportional to 12,775.62, 19,163.42 and 4,011.22 is: 6,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.62 : 19,163.42 = 4,011.22 : x
  2. Step 2: Convert to fraction form
    12,775.62/19,163.42 = 4,011.22/x
  3. Step 3: Cross multiply
    12,775.62x = 19,163.42 × 4,011.22
  4. Step 4: Simplify right side
    12,775.62x = 76,868,693.57
  5. Step 5: Solve for x
    x = 76,868,693.57/12,775.62
  6. Step 6: Final answer
    x = 6,016.83

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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.