Home / 12,441.46-17,172.75-8,195.62

Finding the Fourth Proportional to 12,441.46, 17,172.75 and 8,195.62

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Solution

The fourth proportional to 12,441.46, 17,172.75 and 8,195.62 is: 11,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441.46 : 17,172.75 = 8,195.62 : x
  2. Step 2: Convert to fraction form
    12,441.46/17,172.75 = 8,195.62/x
  3. Step 3: Cross multiply
    12,441.46x = 17,172.75 × 8,195.62
  4. Step 4: Simplify right side
    12,441.46x = 140,741,333.36
  5. Step 5: Solve for x
    x = 140,741,333.36/12,441.46
  6. Step 6: Final answer
    x = 11,312.28

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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.