Home / 11,325.69-16,995.21-4,311.60

Finding the Fourth Proportional to 11,325.69, 16,995.21 and 4,311.60

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Solution

The fourth proportional to 11,325.69, 16,995.21 and 4,311.60 is: 6,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.69 : 16,995.21 = 4,311.60 : x
  2. Step 2: Convert to fraction form
    11,325.69/16,995.21 = 4,311.60/x
  3. Step 3: Cross multiply
    11,325.69x = 16,995.21 × 4,311.60
  4. Step 4: Simplify right side
    11,325.69x = 73,276,525.88
  5. Step 5: Solve for x
    x = 73,276,525.88/11,325.69
  6. Step 6: Final answer
    x = 6,469.94

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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.