Home / 9,183.45-12,673.09-4,991.70

Finding the Fourth Proportional to 9,183.45, 12,673.09 and 4,991.70

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Solution

The fourth proportional to 9,183.45, 12,673.09 and 4,991.70 is: 6,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.45 : 12,673.09 = 4,991.70 : x
  2. Step 2: Convert to fraction form
    9,183.45/12,673.09 = 4,991.70/x
  3. Step 3: Cross multiply
    9,183.45x = 12,673.09 × 4,991.70
  4. Step 4: Simplify right side
    9,183.45x = 63,260,263.35
  5. Step 5: Solve for x
    x = 63,260,263.35/9,183.45
  6. Step 6: Final answer
    x = 6,888.51

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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.