Home / 11,136.68-16,705.34-3,239.72

Finding the Fourth Proportional to 11,136.68, 16,705.34 and 3,239.72

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Solution

The fourth proportional to 11,136.68, 16,705.34 and 3,239.72 is: 4,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.68 : 16,705.34 = 3,239.72 : x
  2. Step 2: Convert to fraction form
    11,136.68/16,705.34 = 3,239.72/x
  3. Step 3: Cross multiply
    11,136.68x = 16,705.34 × 3,239.72
  4. Step 4: Simplify right side
    11,136.68x = 54,120,624.10
  5. Step 5: Solve for x
    x = 54,120,624.10/11,136.68
  6. Step 6: Final answer
    x = 4,859.67

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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.