Home / 18,786.14-28,178.24-6,306.26

Finding the Fourth Proportional to 18,786.14, 28,178.24 and 6,306.26

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Solution

The fourth proportional to 18,786.14, 28,178.24 and 6,306.26 is: 9,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.14 : 28,178.24 = 6,306.26 : x
  2. Step 2: Convert to fraction form
    18,786.14/28,178.24 = 6,306.26/x
  3. Step 3: Cross multiply
    18,786.14x = 28,178.24 × 6,306.26
  4. Step 4: Simplify right side
    18,786.14x = 177,699,135.36
  5. Step 5: Solve for x
    x = 177,699,135.36/18,786.14
  6. Step 6: Final answer
    x = 9,459.06

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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.