Home / 17,617.48-26,396.50-8,720.95

Finding the Fourth Proportional to 17,617.48, 26,396.50 and 8,720.95

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Solution

The fourth proportional to 17,617.48, 26,396.50 and 8,720.95 is: 13,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.48 : 26,396.50 = 8,720.95 : x
  2. Step 2: Convert to fraction form
    17,617.48/26,396.50 = 8,720.95/x
  3. Step 3: Cross multiply
    17,617.48x = 26,396.50 × 8,720.95
  4. Step 4: Simplify right side
    17,617.48x = 230,202,556.68
  5. Step 5: Solve for x
    x = 230,202,556.68/17,617.48
  6. Step 6: Final answer
    x = 13,066.71

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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.