Home / 11,343.87-17,015.84-3,946.57

Finding the Fourth Proportional to 11,343.87, 17,015.84 and 3,946.57

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Solution

The fourth proportional to 11,343.87, 17,015.84 and 3,946.57 is: 5,919.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.87 : 17,015.84 = 3,946.57 : x
  2. Step 2: Convert to fraction form
    11,343.87/17,015.84 = 3,946.57/x
  3. Step 3: Cross multiply
    11,343.87x = 17,015.84 × 3,946.57
  4. Step 4: Simplify right side
    11,343.87x = 67,154,171.00
  5. Step 5: Solve for x
    x = 67,154,171.00/11,343.87
  6. Step 6: Final answer
    x = 5,919.86

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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.