Home / 12,214.57-18,322.62-3,450.16

Finding the Fourth Proportional to 12,214.57, 18,322.62 and 3,450.16

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Solution

The fourth proportional to 12,214.57, 18,322.62 and 3,450.16 is: 5,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.57 : 18,322.62 = 3,450.16 : x
  2. Step 2: Convert to fraction form
    12,214.57/18,322.62 = 3,450.16/x
  3. Step 3: Cross multiply
    12,214.57x = 18,322.62 × 3,450.16
  4. Step 4: Simplify right side
    12,214.57x = 63,215,970.62
  5. Step 5: Solve for x
    x = 63,215,970.62/12,214.57
  6. Step 6: Final answer
    x = 5,175.46

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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.