Home / 10,825.77-16,249.61-7,709.30

Finding the Fourth Proportional to 10,825.77, 16,249.61 and 7,709.30

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Solution

The fourth proportional to 10,825.77, 16,249.61 and 7,709.30 is: 11,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,825.77 : 16,249.61 = 7,709.30 : x
  2. Step 2: Convert to fraction form
    10,825.77/16,249.61 = 7,709.30/x
  3. Step 3: Cross multiply
    10,825.77x = 16,249.61 × 7,709.30
  4. Step 4: Simplify right side
    10,825.77x = 125,273,118.37
  5. Step 5: Solve for x
    x = 125,273,118.37/10,825.77
  6. Step 6: Final answer
    x = 11,571.75

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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.