Home / 11,941.12-17,919.46-4,545.64

Finding the Fourth Proportional to 11,941.12, 17,919.46 and 4,545.64

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Solution

The fourth proportional to 11,941.12, 17,919.46 and 4,545.64 is: 6,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,941.12 : 17,919.46 = 4,545.64 : x
  2. Step 2: Convert to fraction form
    11,941.12/17,919.46 = 4,545.64/x
  3. Step 3: Cross multiply
    11,941.12x = 17,919.46 × 4,545.64
  4. Step 4: Simplify right side
    11,941.12x = 81,455,414.15
  5. Step 5: Solve for x
    x = 81,455,414.15/11,941.12
  6. Step 6: Final answer
    x = 6,821.42

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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.