Home / 18,421.23-27,629.07-6,731.72

Finding the Fourth Proportional to 18,421.23, 27,629.07 and 6,731.72

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Solution

The fourth proportional to 18,421.23, 27,629.07 and 6,731.72 is: 10,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.23 : 27,629.07 = 6,731.72 : x
  2. Step 2: Convert to fraction form
    18,421.23/27,629.07 = 6,731.72/x
  3. Step 3: Cross multiply
    18,421.23x = 27,629.07 × 6,731.72
  4. Step 4: Simplify right side
    18,421.23x = 185,991,103.32
  5. Step 5: Solve for x
    x = 185,991,103.32/18,421.23
  6. Step 6: Final answer
    x = 10,096.56

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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.