Home / 11,177.06-16,765.58-2,857.08

Finding the Fourth Proportional to 11,177.06, 16,765.58 and 2,857.08

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Solution

The fourth proportional to 11,177.06, 16,765.58 and 2,857.08 is: 4,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.06 : 16,765.58 = 2,857.08 : x
  2. Step 2: Convert to fraction form
    11,177.06/16,765.58 = 2,857.08/x
  3. Step 3: Cross multiply
    11,177.06x = 16,765.58 × 2,857.08
  4. Step 4: Simplify right side
    11,177.06x = 47,900,589.02
  5. Step 5: Solve for x
    x = 47,900,589.02/11,177.06
  6. Step 6: Final answer
    x = 4,285.62

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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.