Home / 11,887.97-16,405.39-6,582.79

Finding the Fourth Proportional to 11,887.97, 16,405.39 and 6,582.79

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Solution

The fourth proportional to 11,887.97, 16,405.39 and 6,582.79 is: 9,084.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.97 : 16,405.39 = 6,582.79 : x
  2. Step 2: Convert to fraction form
    11,887.97/16,405.39 = 6,582.79/x
  3. Step 3: Cross multiply
    11,887.97x = 16,405.39 × 6,582.79
  4. Step 4: Simplify right side
    11,887.97x = 107,993,179.77
  5. Step 5: Solve for x
    x = 107,993,179.77/11,887.97
  6. Step 6: Final answer
    x = 9,084.24

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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.