Home / 11,580.75-17,371.19-2,815.67

Finding the Fourth Proportional to 11,580.75, 17,371.19 and 2,815.67

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Solution

The fourth proportional to 11,580.75, 17,371.19 and 2,815.67 is: 4,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.75 : 17,371.19 = 2,815.67 : x
  2. Step 2: Convert to fraction form
    11,580.75/17,371.19 = 2,815.67/x
  3. Step 3: Cross multiply
    11,580.75x = 17,371.19 × 2,815.67
  4. Step 4: Simplify right side
    11,580.75x = 48,911,589.01
  5. Step 5: Solve for x
    x = 48,911,589.01/11,580.75
  6. Step 6: Final answer
    x = 4,223.53

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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.