Home / 18,592.82-25,648.57-11,871.38

Finding the Fourth Proportional to 18,592.82, 25,648.57 and 11,871.38

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Solution

The fourth proportional to 18,592.82, 25,648.57 and 11,871.38 is: 16,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.82 : 25,648.57 = 11,871.38 : x
  2. Step 2: Convert to fraction form
    18,592.82/25,648.57 = 11,871.38/x
  3. Step 3: Cross multiply
    18,592.82x = 25,648.57 × 11,871.38
  4. Step 4: Simplify right side
    18,592.82x = 304,483,920.93
  5. Step 5: Solve for x
    x = 304,483,920.93/18,592.82
  6. Step 6: Final answer
    x = 16,376.42

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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.