Home / 9,183.43-12,672.79-4,991.59

Finding the Fourth Proportional to 9,183.43, 12,672.79 and 4,991.59

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Solution

The fourth proportional to 9,183.43, 12,672.79 and 4,991.59 is: 6,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.43 : 12,672.79 = 4,991.59 : x
  2. Step 2: Convert to fraction form
    9,183.43/12,672.79 = 4,991.59/x
  3. Step 3: Cross multiply
    9,183.43x = 12,672.79 × 4,991.59
  4. Step 4: Simplify right side
    9,183.43x = 63,257,371.84
  5. Step 5: Solve for x
    x = 63,257,371.84/9,183.43
  6. Step 6: Final answer
    x = 6,888.21

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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.