Home / 19,091.58-28,617.80-8,004.68

Finding the Fourth Proportional to 19,091.58, 28,617.80 and 8,004.68

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Solution

The fourth proportional to 19,091.58, 28,617.80 and 8,004.68 is: 11,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.58 : 28,617.80 = 8,004.68 : x
  2. Step 2: Convert to fraction form
    19,091.58/28,617.80 = 8,004.68/x
  3. Step 3: Cross multiply
    19,091.58x = 28,617.80 × 8,004.68
  4. Step 4: Simplify right side
    19,091.58x = 229,076,331.30
  5. Step 5: Solve for x
    x = 229,076,331.30/19,091.58
  6. Step 6: Final answer
    x = 11,998.81

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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.