Home / 18,054.13-27,081.75-4,906.78

Finding the Fourth Proportional to 18,054.13, 27,081.75 and 4,906.78

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Solution

The fourth proportional to 18,054.13, 27,081.75 and 4,906.78 is: 7,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.13 : 27,081.75 = 4,906.78 : x
  2. Step 2: Convert to fraction form
    18,054.13/27,081.75 = 4,906.78/x
  3. Step 3: Cross multiply
    18,054.13x = 27,081.75 × 4,906.78
  4. Step 4: Simplify right side
    18,054.13x = 132,884,189.27
  5. Step 5: Solve for x
    x = 132,884,189.27/18,054.13
  6. Step 6: Final answer
    x = 7,360.32

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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.