Home / 11,652.30-17,478.76-2,887.09

Finding the Fourth Proportional to 11,652.30, 17,478.76 and 2,887.09

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Solution

The fourth proportional to 11,652.30, 17,478.76 and 2,887.09 is: 4,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,652.30 : 17,478.76 = 2,887.09 : x
  2. Step 2: Convert to fraction form
    11,652.30/17,478.76 = 2,887.09/x
  3. Step 3: Cross multiply
    11,652.30x = 17,478.76 × 2,887.09
  4. Step 4: Simplify right side
    11,652.30x = 50,462,745.99
  5. Step 5: Solve for x
    x = 50,462,745.99/11,652.30
  6. Step 6: Final answer
    x = 4,330.71

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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.