Home / 18,081.06-27,128.30-7,552.23

Finding the Fourth Proportional to 18,081.06, 27,128.30 and 7,552.23

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Solution

The fourth proportional to 18,081.06, 27,128.30 and 7,552.23 is: 11,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.06 : 27,128.30 = 7,552.23 : x
  2. Step 2: Convert to fraction form
    18,081.06/27,128.30 = 7,552.23/x
  3. Step 3: Cross multiply
    18,081.06x = 27,128.30 × 7,552.23
  4. Step 4: Simplify right side
    18,081.06x = 204,879,161.11
  5. Step 5: Solve for x
    x = 204,879,161.11/18,081.06
  6. Step 6: Final answer
    x = 11,331.15

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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.