Home / 18,091.36-27,141.90-6,412.84

Finding the Fourth Proportional to 18,091.36, 27,141.90 and 6,412.84

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Solution

The fourth proportional to 18,091.36, 27,141.90 and 6,412.84 is: 9,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,091.36 : 27,141.90 = 6,412.84 : x
  2. Step 2: Convert to fraction form
    18,091.36/27,141.90 = 6,412.84/x
  3. Step 3: Cross multiply
    18,091.36x = 27,141.90 × 6,412.84
  4. Step 4: Simplify right side
    18,091.36x = 174,056,662.00
  5. Step 5: Solve for x
    x = 174,056,662.00/18,091.36
  6. Step 6: Final answer
    x = 9,620.98

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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.