Home / 12,141.44-18,212.80-3,376.32

Finding the Fourth Proportional to 12,141.44, 18,212.80 and 3,376.32

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Solution

The fourth proportional to 12,141.44, 18,212.80 and 3,376.32 is: 5,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.44 : 18,212.80 = 3,376.32 : x
  2. Step 2: Convert to fraction form
    12,141.44/18,212.80 = 3,376.32/x
  3. Step 3: Cross multiply
    12,141.44x = 18,212.80 × 3,376.32
  4. Step 4: Simplify right side
    12,141.44x = 61,492,240.90
  5. Step 5: Solve for x
    x = 61,492,240.90/12,141.44
  6. Step 6: Final answer
    x = 5,064.66

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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.