Home / 11,136.53-15,367.96-6,659.41

Finding the Fourth Proportional to 11,136.53, 15,367.96 and 6,659.41

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Solution

The fourth proportional to 11,136.53, 15,367.96 and 6,659.41 is: 9,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.53 : 15,367.96 = 6,659.41 : x
  2. Step 2: Convert to fraction form
    11,136.53/15,367.96 = 6,659.41/x
  3. Step 3: Cross multiply
    11,136.53x = 15,367.96 × 6,659.41
  4. Step 4: Simplify right side
    11,136.53x = 102,341,436.37
  5. Step 5: Solve for x
    x = 102,341,436.37/11,136.53
  6. Step 6: Final answer
    x = 9,189.71

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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.