Home / 13,179.15-19,759.41-6,600.60

Finding the Fourth Proportional to 13,179.15, 19,759.41 and 6,600.60

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Solution

The fourth proportional to 13,179.15, 19,759.41 and 6,600.60 is: 9,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.15 : 19,759.41 = 6,600.60 : x
  2. Step 2: Convert to fraction form
    13,179.15/19,759.41 = 6,600.60/x
  3. Step 3: Cross multiply
    13,179.15x = 19,759.41 × 6,600.60
  4. Step 4: Simplify right side
    13,179.15x = 130,423,961.65
  5. Step 5: Solve for x
    x = 130,423,961.65/13,179.15
  6. Step 6: Final answer
    x = 9,896.23

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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.