Home / 11,288.20-16,942.69-5,745.50

Finding the Fourth Proportional to 11,288.20, 16,942.69 and 5,745.50

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Solution

The fourth proportional to 11,288.20, 16,942.69 and 5,745.50 is: 8,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.20 : 16,942.69 = 5,745.50 : x
  2. Step 2: Convert to fraction form
    11,288.20/16,942.69 = 5,745.50/x
  3. Step 3: Cross multiply
    11,288.20x = 16,942.69 × 5,745.50
  4. Step 4: Simplify right side
    11,288.20x = 97,344,225.40
  5. Step 5: Solve for x
    x = 97,344,225.40/11,288.20
  6. Step 6: Final answer
    x = 8,623.54

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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.