Home / 11,459.07-17,190.77-8,163.99

Finding the Fourth Proportional to 11,459.07, 17,190.77 and 8,163.99

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Solution

The fourth proportional to 11,459.07, 17,190.77 and 8,163.99 is: 12,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,459.07 : 17,190.77 = 8,163.99 : x
  2. Step 2: Convert to fraction form
    11,459.07/17,190.77 = 8,163.99/x
  3. Step 3: Cross multiply
    11,459.07x = 17,190.77 × 8,163.99
  4. Step 4: Simplify right side
    11,459.07x = 140,345,233.55
  5. Step 5: Solve for x
    x = 140,345,233.55/11,459.07
  6. Step 6: Final answer
    x = 12,247.52

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1.5x scale

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.