Home / 11,177.02-16,765.46-2,857.02

Finding the Fourth Proportional to 11,177.02, 16,765.46 and 2,857.02

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Solution

The fourth proportional to 11,177.02, 16,765.46 and 2,857.02 is: 4,285.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.02 : 16,765.46 = 2,857.02 : x
  2. Step 2: Convert to fraction form
    11,177.02/16,765.46 = 2,857.02/x
  3. Step 3: Cross multiply
    11,177.02x = 16,765.46 × 2,857.02
  4. Step 4: Simplify right side
    11,177.02x = 47,899,247.39
  5. Step 5: Solve for x
    x = 47,899,247.39/11,177.02
  6. Step 6: Final answer
    x = 4,285.51

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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.