Home / 11,136.94-15,368.97-6,660.69

Finding the Fourth Proportional to 11,136.94, 15,368.97 and 6,660.69

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Solution

The fourth proportional to 11,136.94, 15,368.97 and 6,660.69 is: 9,191.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.94 : 15,368.97 = 6,660.69 : x
  2. Step 2: Convert to fraction form
    11,136.94/15,368.97 = 6,660.69/x
  3. Step 3: Cross multiply
    11,136.94x = 15,368.97 × 6,660.69
  4. Step 4: Simplify right side
    11,136.94x = 102,367,914.69
  5. Step 5: Solve for x
    x = 102,367,914.69/11,136.94
  6. Step 6: Final answer
    x = 9,191.75

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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.