Home / 18,112.05-27,175.77-11,551.05

Finding the Fourth Proportional to 18,112.05, 27,175.77 and 11,551.05

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Solution

The fourth proportional to 18,112.05, 27,175.77 and 11,551.05 is: 17,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.05 : 27,175.77 = 11,551.05 : x
  2. Step 2: Convert to fraction form
    18,112.05/27,175.77 = 11,551.05/x
  3. Step 3: Cross multiply
    18,112.05x = 27,175.77 × 11,551.05
  4. Step 4: Simplify right side
    18,112.05x = 313,908,678.06
  5. Step 5: Solve for x
    x = 313,908,678.06/18,112.05
  6. Step 6: Final answer
    x = 17,331.48

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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.