Home / 12,629.95-18,944.24-3,864.86

Finding the Fourth Proportional to 12,629.95, 18,944.24 and 3,864.86

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Solution

The fourth proportional to 12,629.95, 18,944.24 and 3,864.86 is: 5,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.95 : 18,944.24 = 3,864.86 : x
  2. Step 2: Convert to fraction form
    12,629.95/18,944.24 = 3,864.86/x
  3. Step 3: Cross multiply
    12,629.95x = 18,944.24 × 3,864.86
  4. Step 4: Simplify right side
    12,629.95x = 73,216,835.41
  5. Step 5: Solve for x
    x = 73,216,835.41/12,629.95
  6. Step 6: Final answer
    x = 5,797.08

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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.