Home / 11,487.23-17,230.91-4,091.97

Finding the Fourth Proportional to 11,487.23, 17,230.91 and 4,091.97

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Solution

The fourth proportional to 11,487.23, 17,230.91 and 4,091.97 is: 6,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.23 : 17,230.91 = 4,091.97 : x
  2. Step 2: Convert to fraction form
    11,487.23/17,230.91 = 4,091.97/x
  3. Step 3: Cross multiply
    11,487.23x = 17,230.91 × 4,091.97
  4. Step 4: Simplify right side
    11,487.23x = 70,508,346.33
  5. Step 5: Solve for x
    x = 70,508,346.33/11,487.23
  6. Step 6: Final answer
    x = 6,137.98

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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.