Home / 13,106.46-18,093.39-8,936.58

Finding the Fourth Proportional to 13,106.46, 18,093.39 and 8,936.58

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Solution

The fourth proportional to 13,106.46, 18,093.39 and 8,936.58 is: 12,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.46 : 18,093.39 = 8,936.58 : x
  2. Step 2: Convert to fraction form
    13,106.46/18,093.39 = 8,936.58/x
  3. Step 3: Cross multiply
    13,106.46x = 18,093.39 × 8,936.58
  4. Step 4: Simplify right side
    13,106.46x = 161,693,027.21
  5. Step 5: Solve for x
    x = 161,693,027.21/13,106.46
  6. Step 6: Final answer
    x = 12,336.90

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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.