Home / 11,786.18-17,679.47-9,435.29

Finding the Fourth Proportional to 11,786.18, 17,679.47 and 9,435.29

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Solution

The fourth proportional to 11,786.18, 17,679.47 and 9,435.29 is: 14,153.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.18 : 17,679.47 = 9,435.29 : x
  2. Step 2: Convert to fraction form
    11,786.18/17,679.47 = 9,435.29/x
  3. Step 3: Cross multiply
    11,786.18x = 17,679.47 × 9,435.29
  4. Step 4: Simplify right side
    11,786.18x = 166,810,790.92
  5. Step 5: Solve for x
    x = 166,810,790.92/11,786.18
  6. Step 6: Final answer
    x = 14,153.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.