Home / 11,189.40-16,773.60-4,167.72

Finding the Fourth Proportional to 11,189.40, 16,773.60 and 4,167.72

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Solution

The fourth proportional to 11,189.40, 16,773.60 and 4,167.72 is: 6,247.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.40 : 16,773.60 = 4,167.72 : x
  2. Step 2: Convert to fraction form
    11,189.40/16,773.60 = 4,167.72/x
  3. Step 3: Cross multiply
    11,189.40x = 16,773.60 × 4,167.72
  4. Step 4: Simplify right side
    11,189.40x = 69,907,668.19
  5. Step 5: Solve for x
    x = 69,907,668.19/11,189.40
  6. Step 6: Final answer
    x = 6,247.67

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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.