Home / 12,512.55-18,763.29-3,745.83

Finding the Fourth Proportional to 12,512.55, 18,763.29 and 3,745.83

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Solution

The fourth proportional to 12,512.55, 18,763.29 and 3,745.83 is: 5,617.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.55 : 18,763.29 = 3,745.83 : x
  2. Step 2: Convert to fraction form
    12,512.55/18,763.29 = 3,745.83/x
  3. Step 3: Cross multiply
    12,512.55x = 18,763.29 × 3,745.83
  4. Step 4: Simplify right side
    12,512.55x = 70,284,094.58
  5. Step 5: Solve for x
    x = 70,284,094.58/12,512.55
  6. Step 6: Final answer
    x = 5,617.09

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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.