Home / 10,879.68-16,318.98-3,087.48

Finding the Fourth Proportional to 10,879.68, 16,318.98 and 3,087.48

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Solution

The fourth proportional to 10,879.68, 16,318.98 and 3,087.48 is: 4,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.68 : 16,318.98 = 3,087.48 : x
  2. Step 2: Convert to fraction form
    10,879.68/16,318.98 = 3,087.48/x
  3. Step 3: Cross multiply
    10,879.68x = 16,318.98 × 3,087.48
  4. Step 4: Simplify right side
    10,879.68x = 50,384,524.37
  5. Step 5: Solve for x
    x = 50,384,524.37/10,879.68
  6. Step 6: Final answer
    x = 4,631.07

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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.