Home / 18,039.54-27,054.60-5,386.32

Finding the Fourth Proportional to 18,039.54, 27,054.60 and 5,386.32

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Solution

The fourth proportional to 18,039.54, 27,054.60 and 5,386.32 is: 8,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.54 : 27,054.60 = 5,386.32 : x
  2. Step 2: Convert to fraction form
    18,039.54/27,054.60 = 5,386.32/x
  3. Step 3: Cross multiply
    18,039.54x = 27,054.60 × 5,386.32
  4. Step 4: Simplify right side
    18,039.54x = 145,724,733.07
  5. Step 5: Solve for x
    x = 145,724,733.07/18,039.54
  6. Step 6: Final answer
    x = 8,078.07

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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.