Home / 12,896.20-17,800.48-8,358.73

Finding the Fourth Proportional to 12,896.20, 17,800.48 and 8,358.73

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Solution

The fourth proportional to 12,896.20, 17,800.48 and 8,358.73 is: 11,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.20 : 17,800.48 = 8,358.73 : x
  2. Step 2: Convert to fraction form
    12,896.20/17,800.48 = 8,358.73/x
  3. Step 3: Cross multiply
    12,896.20x = 17,800.48 × 8,358.73
  4. Step 4: Simplify right side
    12,896.20x = 148,789,372.14
  5. Step 5: Solve for x
    x = 148,789,372.14/12,896.20
  6. Step 6: Final answer
    x = 11,537.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.