Home / 11,238.13-16,771.73-9,992.61

Finding the Fourth Proportional to 11,238.13, 16,771.73 and 9,992.61

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Solution

The fourth proportional to 11,238.13, 16,771.73 and 9,992.61 is: 14,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.13 : 16,771.73 = 9,992.61 : x
  2. Step 2: Convert to fraction form
    11,238.13/16,771.73 = 9,992.61/x
  3. Step 3: Cross multiply
    11,238.13x = 16,771.73 × 9,992.61
  4. Step 4: Simplify right side
    11,238.13x = 167,593,356.92
  5. Step 5: Solve for x
    x = 167,593,356.92/11,238.13
  6. Step 6: Final answer
    x = 14,912.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.