Home / 10,946.50-16,419.75-2,738.50

Finding the Fourth Proportional to 10,946.50, 16,419.75 and 2,738.50

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Solution

The fourth proportional to 10,946.50, 16,419.75 and 2,738.50 is: 4,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.50 : 16,419.75 = 2,738.50 : x
  2. Step 2: Convert to fraction form
    10,946.50/16,419.75 = 2,738.50/x
  3. Step 3: Cross multiply
    10,946.50x = 16,419.75 × 2,738.50
  4. Step 4: Simplify right side
    10,946.50x = 44,965,485.38
  5. Step 5: Solve for x
    x = 44,965,485.38/10,946.50
  6. Step 6: Final answer
    x = 4,107.75

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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.