Home / 11,099.38-15,317.61-6,383.67

Finding the Fourth Proportional to 11,099.38, 15,317.61 and 6,383.67

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Solution

The fourth proportional to 11,099.38, 15,317.61 and 6,383.67 is: 8,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.38 : 15,317.61 = 6,383.67 : x
  2. Step 2: Convert to fraction form
    11,099.38/15,317.61 = 6,383.67/x
  3. Step 3: Cross multiply
    11,099.38x = 15,317.61 × 6,383.67
  4. Step 4: Simplify right side
    11,099.38x = 97,782,567.43
  5. Step 5: Solve for x
    x = 97,782,567.43/11,099.38
  6. Step 6: Final answer
    x = 8,809.73

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Half scale
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Double scale
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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.