Home / 11,836.80-16,323.12-9,183.24

Finding the Fourth Proportional to 11,836.80, 16,323.12 and 9,183.24

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Solution

The fourth proportional to 11,836.80, 16,323.12 and 9,183.24 is: 12,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.80 : 16,323.12 = 9,183.24 : x
  2. Step 2: Convert to fraction form
    11,836.80/16,323.12 = 9,183.24/x
  3. Step 3: Cross multiply
    11,836.80x = 16,323.12 × 9,183.24
  4. Step 4: Simplify right side
    11,836.80x = 149,899,128.51
  5. Step 5: Solve for x
    x = 149,899,128.51/11,836.80
  6. Step 6: Final answer
    x = 12,663.82

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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.