Home / 11,946.87-16,482.83-6,640.67

Finding the Fourth Proportional to 11,946.87, 16,482.83 and 6,640.67

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Solution

The fourth proportional to 11,946.87, 16,482.83 and 6,640.67 is: 9,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.87 : 16,482.83 = 6,640.67 : x
  2. Step 2: Convert to fraction form
    11,946.87/16,482.83 = 6,640.67/x
  3. Step 3: Cross multiply
    11,946.87x = 16,482.83 × 6,640.67
  4. Step 4: Simplify right side
    11,946.87x = 109,456,919.08
  5. Step 5: Solve for x
    x = 109,456,919.08/11,946.87
  6. Step 6: Final answer
    x = 9,161.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.