Home / 10,936.45-16,403.67-6,550.69

Finding the Fourth Proportional to 10,936.45, 16,403.67 and 6,550.69

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Solution

The fourth proportional to 10,936.45, 16,403.67 and 6,550.69 is: 9,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.45 : 16,403.67 = 6,550.69 : x
  2. Step 2: Convert to fraction form
    10,936.45/16,403.67 = 6,550.69/x
  3. Step 3: Cross multiply
    10,936.45x = 16,403.67 × 6,550.69
  4. Step 4: Simplify right side
    10,936.45x = 107,455,357.03
  5. Step 5: Solve for x
    x = 107,455,357.03/10,936.45
  6. Step 6: Final answer
    x = 9,825.43

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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.