Home / 9,941.20-14,911.78-3,015.70

Finding the Fourth Proportional to 9,941.20, 14,911.78 and 3,015.70

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Solution

The fourth proportional to 9,941.20, 14,911.78 and 3,015.70 is: 4,523.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,941.20 : 14,911.78 = 3,015.70 : x
  2. Step 2: Convert to fraction form
    9,941.20/14,911.78 = 3,015.70/x
  3. Step 3: Cross multiply
    9,941.20x = 14,911.78 × 3,015.70
  4. Step 4: Simplify right side
    9,941.20x = 44,969,454.95
  5. Step 5: Solve for x
    x = 44,969,454.95/9,941.20
  6. Step 6: Final answer
    x = 4,523.54

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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.