Home / 12,628.37-18,941.82-3,862.58

Finding the Fourth Proportional to 12,628.37, 18,941.82 and 3,862.58

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Solution

The fourth proportional to 12,628.37, 18,941.82 and 3,862.58 is: 5,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628.37 : 18,941.82 = 3,862.58 : x
  2. Step 2: Convert to fraction form
    12,628.37/18,941.82 = 3,862.58/x
  3. Step 3: Cross multiply
    12,628.37x = 18,941.82 × 3,862.58
  4. Step 4: Simplify right side
    12,628.37x = 73,164,295.10
  5. Step 5: Solve for x
    x = 73,164,295.10/12,628.37
  6. Step 6: Final answer
    x = 5,793.65

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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.