Home / 23,679.18-35,493.77-7,879.96

Finding the Fourth Proportional to 23,679.18, 35,493.77 and 7,879.96

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Solution

The fourth proportional to 23,679.18, 35,493.77 and 7,879.96 is: 11,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,679.18 : 35,493.77 = 7,879.96 : x
  2. Step 2: Convert to fraction form
    23,679.18/35,493.77 = 7,879.96/x
  3. Step 3: Cross multiply
    23,679.18x = 35,493.77 × 7,879.96
  4. Step 4: Simplify right side
    23,679.18x = 279,689,418.81
  5. Step 5: Solve for x
    x = 279,689,418.81/23,679.18
  6. Step 6: Final answer
    x = 11,811.62

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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.