Home / 12,822.73-19,242.68-4,502.78

Finding the Fourth Proportional to 12,822.73, 19,242.68 and 4,502.78

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Solution

The fourth proportional to 12,822.73, 19,242.68 and 4,502.78 is: 6,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.73 : 19,242.68 = 4,502.78 : x
  2. Step 2: Convert to fraction form
    12,822.73/19,242.68 = 4,502.78/x
  3. Step 3: Cross multiply
    12,822.73x = 19,242.68 × 4,502.78
  4. Step 4: Simplify right side
    12,822.73x = 86,645,469.69
  5. Step 5: Solve for x
    x = 86,645,469.69/12,822.73
  6. Step 6: Final answer
    x = 6,757.18

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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.