Home / 18,072.26-27,108.22-14,126.83

Finding the Fourth Proportional to 18,072.26, 27,108.22 and 14,126.83

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Solution

The fourth proportional to 18,072.26, 27,108.22 and 14,126.83 is: 21,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.26 : 27,108.22 = 14,126.83 : x
  2. Step 2: Convert to fraction form
    18,072.26/27,108.22 = 14,126.83/x
  3. Step 3: Cross multiply
    18,072.26x = 27,108.22 × 14,126.83
  4. Step 4: Simplify right side
    18,072.26x = 382,953,215.54
  5. Step 5: Solve for x
    x = 382,953,215.54/18,072.26
  6. Step 6: Final answer
    x = 21,190.11

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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.