Home / 11,786.64-16,267.32-7,072.08

Finding the Fourth Proportional to 11,786.64, 16,267.32 and 7,072.08

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Solution

The fourth proportional to 11,786.64, 16,267.32 and 7,072.08 is: 9,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.64 : 16,267.32 = 7,072.08 : x
  2. Step 2: Convert to fraction form
    11,786.64/16,267.32 = 7,072.08/x
  3. Step 3: Cross multiply
    11,786.64x = 16,267.32 × 7,072.08
  4. Step 4: Simplify right side
    11,786.64x = 115,043,788.43
  5. Step 5: Solve for x
    x = 115,043,788.43/11,786.64
  6. Step 6: Final answer
    x = 9,760.52

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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.