Home / 12,551.82-18,824.07-3,784.38

Finding the Fourth Proportional to 12,551.82, 18,824.07 and 3,784.38

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Solution

The fourth proportional to 12,551.82, 18,824.07 and 3,784.38 is: 5,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.82 : 18,824.07 = 3,784.38 : x
  2. Step 2: Convert to fraction form
    12,551.82/18,824.07 = 3,784.38/x
  3. Step 3: Cross multiply
    12,551.82x = 18,824.07 × 3,784.38
  4. Step 4: Simplify right side
    12,551.82x = 71,237,434.03
  5. Step 5: Solve for x
    x = 71,237,434.03/12,551.82
  6. Step 6: Final answer
    x = 5,675.47

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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.