Home / 12,627.95-18,944.05-3,860.82

Finding the Fourth Proportional to 12,627.95, 18,944.05 and 3,860.82

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Solution

The fourth proportional to 12,627.95, 18,944.05 and 3,860.82 is: 5,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.95 : 18,944.05 = 3,860.82 : x
  2. Step 2: Convert to fraction form
    12,627.95/18,944.05 = 3,860.82/x
  3. Step 3: Cross multiply
    12,627.95x = 18,944.05 × 3,860.82
  4. Step 4: Simplify right side
    12,627.95x = 73,139,567.12
  5. Step 5: Solve for x
    x = 73,139,567.12/12,627.95
  6. Step 6: Final answer
    x = 5,791.88

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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.