Home / 12,628.38-17,425.96-12,203.94

Finding the Fourth Proportional to 12,628.38, 17,425.96 and 12,203.94

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Solution

The fourth proportional to 12,628.38, 17,425.96 and 12,203.94 is: 16,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.38 : 17,425.96 = 12,203.94 : x
  2. Step 2: Convert to fraction form
    12,628.38/17,425.96 = 12,203.94/x
  3. Step 3: Cross multiply
    12,628.38x = 17,425.96 × 12,203.94
  4. Step 4: Simplify right side
    12,628.38x = 212,665,370.28
  5. Step 5: Solve for x
    x = 212,665,370.28/12,628.38
  6. Step 6: Final answer
    x = 16,840.27

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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.