Home / 18,652.88-27,977.96-6,171.60

Finding the Fourth Proportional to 18,652.88, 27,977.96 and 6,171.60

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Solution

The fourth proportional to 18,652.88, 27,977.96 and 6,171.60 is: 9,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.88 : 27,977.96 = 6,171.60 : x
  2. Step 2: Convert to fraction form
    18,652.88/27,977.96 = 6,171.60/x
  3. Step 3: Cross multiply
    18,652.88x = 27,977.96 × 6,171.60
  4. Step 4: Simplify right side
    18,652.88x = 172,668,777.94
  5. Step 5: Solve for x
    x = 172,668,777.94/18,652.88
  6. Step 6: Final answer
    x = 9,256.95

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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.