Home / 18,453.42-27,682.56-6,765.12

Finding the Fourth Proportional to 18,453.42, 27,682.56 and 6,765.12

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Solution

The fourth proportional to 18,453.42, 27,682.56 and 6,765.12 is: 10,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453.42 : 27,682.56 = 6,765.12 : x
  2. Step 2: Convert to fraction form
    18,453.42/27,682.56 = 6,765.12/x
  3. Step 3: Cross multiply
    18,453.42x = 27,682.56 × 6,765.12
  4. Step 4: Simplify right side
    18,453.42x = 187,275,840.31
  5. Step 5: Solve for x
    x = 187,275,840.31/18,453.42
  6. Step 6: Final answer
    x = 10,148.57

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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.