Home / 11,855.25-16,360.43-6,477.93

Finding the Fourth Proportional to 11,855.25, 16,360.43 and 6,477.93

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Solution

The fourth proportional to 11,855.25, 16,360.43 and 6,477.93 is: 8,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.25 : 16,360.43 = 6,477.93 : x
  2. Step 2: Convert to fraction form
    11,855.25/16,360.43 = 6,477.93/x
  3. Step 3: Cross multiply
    11,855.25x = 16,360.43 × 6,477.93
  4. Step 4: Simplify right side
    11,855.25x = 105,981,687.92
  5. Step 5: Solve for x
    x = 105,981,687.92/11,855.25
  6. Step 6: Final answer
    x = 8,939.64

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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.