Home / 11,136.65-16,706.34-3,640.05

Finding the Fourth Proportional to 11,136.65, 16,706.34 and 3,640.05

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Solution

The fourth proportional to 11,136.65, 16,706.34 and 3,640.05 is: 5,460.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.65 : 16,706.34 = 3,640.05 : x
  2. Step 2: Convert to fraction form
    11,136.65/16,706.34 = 3,640.05/x
  3. Step 3: Cross multiply
    11,136.65x = 16,706.34 × 3,640.05
  4. Step 4: Simplify right side
    11,136.65x = 60,811,912.92
  5. Step 5: Solve for x
    x = 60,811,912.92/11,136.65
  6. Step 6: Final answer
    x = 5,460.52

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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.