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Finding the Fourth Proportional to 18,110.63, 27,160.42 and 12,524.22

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Solution

The fourth proportional to 18,110.63, 27,160.42 and 12,524.22 is: 18,782.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.63 : 27,160.42 = 12,524.22 : x
  2. Step 2: Convert to fraction form
    18,110.63/27,160.42 = 12,524.22/x
  3. Step 3: Cross multiply
    18,110.63x = 27,160.42 × 12,524.22
  4. Step 4: Simplify right side
    18,110.63x = 340,163,075.37
  5. Step 5: Solve for x
    x = 340,163,075.37/18,110.63
  6. Step 6: Final answer
    x = 18,782.51

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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.