Home / 13,471.09-18,584.99-8,163.97

Finding the Fourth Proportional to 13,471.09, 18,584.99 and 8,163.97

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Solution

The fourth proportional to 13,471.09, 18,584.99 and 8,163.97 is: 11,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.09 : 18,584.99 = 8,163.97 : x
  2. Step 2: Convert to fraction form
    13,471.09/18,584.99 = 8,163.97/x
  3. Step 3: Cross multiply
    13,471.09x = 18,584.99 × 8,163.97
  4. Step 4: Simplify right side
    13,471.09x = 151,727,213.53
  5. Step 5: Solve for x
    x = 151,727,213.53/13,471.09
  6. Step 6: Final answer
    x = 11,263.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.