Home / 11,679.44-17,499.60-8,210.48

Finding the Fourth Proportional to 11,679.44, 17,499.60 and 8,210.48

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Solution

The fourth proportional to 11,679.44, 17,499.60 and 8,210.48 is: 12,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.44 : 17,499.60 = 8,210.48 : x
  2. Step 2: Convert to fraction form
    11,679.44/17,499.60 = 8,210.48/x
  3. Step 3: Cross multiply
    11,679.44x = 17,499.60 × 8,210.48
  4. Step 4: Simplify right side
    11,679.44x = 143,680,115.81
  5. Step 5: Solve for x
    x = 143,680,115.81/11,679.44
  6. Step 6: Final answer
    x = 12,301.97

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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.