Home / 9,183.53-12,673.37-4,991.78

Finding the Fourth Proportional to 9,183.53, 12,673.37 and 4,991.78

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Solution

The fourth proportional to 9,183.53, 12,673.37 and 4,991.78 is: 6,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.53 : 12,673.37 = 4,991.78 : x
  2. Step 2: Convert to fraction form
    9,183.53/12,673.37 = 4,991.78/x
  3. Step 3: Cross multiply
    9,183.53x = 12,673.37 × 4,991.78
  4. Step 4: Simplify right side
    9,183.53x = 63,262,674.90
  5. Step 5: Solve for x
    x = 63,262,674.90/9,183.53
  6. Step 6: Final answer
    x = 6,888.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.