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Finding the Fourth Proportional to 22,175.56, 30,601.84 and 12,104.08

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Solution

The fourth proportional to 22,175.56, 30,601.84 and 12,104.08 is: 16,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.56 : 30,601.84 = 12,104.08 : x
  2. Step 2: Convert to fraction form
    22,175.56/30,601.84 = 12,104.08/x
  3. Step 3: Cross multiply
    22,175.56x = 30,601.84 × 12,104.08
  4. Step 4: Simplify right side
    22,175.56x = 370,407,119.51
  5. Step 5: Solve for x
    x = 370,407,119.51/22,175.56
  6. Step 6: Final answer
    x = 16,703.39

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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.