Home / 18,072.12-27,108.22-11,837.35

Finding the Fourth Proportional to 18,072.12, 27,108.22 and 11,837.35

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Solution

The fourth proportional to 18,072.12, 27,108.22 and 11,837.35 is: 17,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072.12 : 27,108.22 = 11,837.35 : x
  2. Step 2: Convert to fraction form
    18,072.12/27,108.22 = 11,837.35/x
  3. Step 3: Cross multiply
    18,072.12x = 27,108.22 × 11,837.35
  4. Step 4: Simplify right side
    18,072.12x = 320,889,488.02
  5. Step 5: Solve for x
    x = 320,889,488.02/18,072.12
  6. Step 6: Final answer
    x = 17,756.05

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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.