Home / 22,181.94-30,611.54-12,110.80

Finding the Fourth Proportional to 22,181.94, 30,611.54 and 12,110.80

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Solution

The fourth proportional to 22,181.94, 30,611.54 and 12,110.80 is: 16,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.94 : 30,611.54 = 12,110.80 : x
  2. Step 2: Convert to fraction form
    22,181.94/30,611.54 = 12,110.80/x
  3. Step 3: Cross multiply
    22,181.94x = 30,611.54 × 12,110.80
  4. Step 4: Simplify right side
    22,181.94x = 370,730,238.63
  5. Step 5: Solve for x
    x = 370,730,238.63/22,181.94
  6. Step 6: Final answer
    x = 16,713.16

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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.