Home / 13,314.09-18,380.93-8,843.94

Finding the Fourth Proportional to 13,314.09, 18,380.93 and 8,843.94

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Solution

The fourth proportional to 13,314.09, 18,380.93 and 8,843.94 is: 12,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.09 : 18,380.93 = 8,843.94 : x
  2. Step 2: Convert to fraction form
    13,314.09/18,380.93 = 8,843.94/x
  3. Step 3: Cross multiply
    13,314.09x = 18,380.93 × 8,843.94
  4. Step 4: Simplify right side
    13,314.09x = 162,559,797.84
  5. Step 5: Solve for x
    x = 162,559,797.84/13,314.09
  6. Step 6: Final answer
    x = 12,209.61

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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.