Home / 11,315.97-16,942.41-5,757.35

Finding the Fourth Proportional to 11,315.97, 16,942.41 and 5,757.35

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Solution

The fourth proportional to 11,315.97, 16,942.41 and 5,757.35 is: 8,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.97 : 16,942.41 = 5,757.35 : x
  2. Step 2: Convert to fraction form
    11,315.97/16,942.41 = 5,757.35/x
  3. Step 3: Cross multiply
    11,315.97x = 16,942.41 × 5,757.35
  4. Step 4: Simplify right side
    11,315.97x = 97,543,299.50
  5. Step 5: Solve for x
    x = 97,543,299.50/11,315.97
  6. Step 6: Final answer
    x = 8,619.97

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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.