Home / 16,727.21-23,083.79-9,174.26

Finding the Fourth Proportional to 16,727.21, 23,083.79 and 9,174.26

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Solution

The fourth proportional to 16,727.21, 23,083.79 and 9,174.26 is: 12,660.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.21 : 23,083.79 = 9,174.26 : x
  2. Step 2: Convert to fraction form
    16,727.21/23,083.79 = 9,174.26/x
  3. Step 3: Cross multiply
    16,727.21x = 23,083.79 × 9,174.26
  4. Step 4: Simplify right side
    16,727.21x = 211,776,703.08
  5. Step 5: Solve for x
    x = 211,776,703.08/16,727.21
  6. Step 6: Final answer
    x = 12,660.61

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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.