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Finding the Fourth Proportional to 17,751.91, 26,600.49 and 8,735.67

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Solution

The fourth proportional to 17,751.91, 26,600.49 and 8,735.67 is: 13,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,751.91 : 26,600.49 = 8,735.67 : x
  2. Step 2: Convert to fraction form
    17,751.91/26,600.49 = 8,735.67/x
  3. Step 3: Cross multiply
    17,751.91x = 26,600.49 × 8,735.67
  4. Step 4: Simplify right side
    17,751.91x = 232,373,102.48
  5. Step 5: Solve for x
    x = 232,373,102.48/17,751.91
  6. Step 6: Final answer
    x = 13,090.03

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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.