Home / 19,305.94-28,940.41-6,149.79

Finding the Fourth Proportional to 19,305.94, 28,940.41 and 6,149.79

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Solution

The fourth proportional to 19,305.94, 28,940.41 and 6,149.79 is: 9,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.94 : 28,940.41 = 6,149.79 : x
  2. Step 2: Convert to fraction form
    19,305.94/28,940.41 = 6,149.79/x
  3. Step 3: Cross multiply
    19,305.94x = 28,940.41 × 6,149.79
  4. Step 4: Simplify right side
    19,305.94x = 177,977,444.01
  5. Step 5: Solve for x
    x = 177,977,444.01/19,305.94
  6. Step 6: Final answer
    x = 9,218.79

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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.