Home / 11,164.24-16,749.60-5,325.76

Finding the Fourth Proportional to 11,164.24, 16,749.60 and 5,325.76

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Solution

The fourth proportional to 11,164.24, 16,749.60 and 5,325.76 is: 7,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,164.24 : 16,749.60 = 5,325.76 : x
  2. Step 2: Convert to fraction form
    11,164.24/16,749.60 = 5,325.76/x
  3. Step 3: Cross multiply
    11,164.24x = 16,749.60 × 5,325.76
  4. Step 4: Simplify right side
    11,164.24x = 89,204,349.70
  5. Step 5: Solve for x
    x = 89,204,349.70/11,164.24
  6. Step 6: Final answer
    x = 7,990.19

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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.