Home / 12,694.20-19,039.08-4,896.60

Finding the Fourth Proportional to 12,694.20, 19,039.08 and 4,896.60

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Solution

The fourth proportional to 12,694.20, 19,039.08 and 4,896.60 is: 7,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.20 : 19,039.08 = 4,896.60 : x
  2. Step 2: Convert to fraction form
    12,694.20/19,039.08 = 4,896.60/x
  3. Step 3: Cross multiply
    12,694.20x = 19,039.08 × 4,896.60
  4. Step 4: Simplify right side
    12,694.20x = 93,226,759.13
  5. Step 5: Solve for x
    x = 93,226,759.13/12,694.20
  6. Step 6: Final answer
    x = 7,344.04

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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.