Home / 11,786.14-17,682.18-4,390.84

Finding the Fourth Proportional to 11,786.14, 17,682.18 and 4,390.84

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Solution

The fourth proportional to 11,786.14, 17,682.18 and 4,390.84 is: 6,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,786.14 : 17,682.18 = 4,390.84 : x
  2. Step 2: Convert to fraction form
    11,786.14/17,682.18 = 4,390.84/x
  3. Step 3: Cross multiply
    11,786.14x = 17,682.18 × 4,390.84
  4. Step 4: Simplify right side
    11,786.14x = 77,639,623.23
  5. Step 5: Solve for x
    x = 77,639,623.23/11,786.14
  6. Step 6: Final answer
    x = 6,587.37

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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.