Home / 19,049.80-28,574.70-5,198.80

Finding the Fourth Proportional to 19,049.80, 28,574.70 and 5,198.80

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Solution

The fourth proportional to 19,049.80, 28,574.70 and 5,198.80 is: 7,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.80 : 28,574.70 = 5,198.80 : x
  2. Step 2: Convert to fraction form
    19,049.80/28,574.70 = 5,198.80/x
  3. Step 3: Cross multiply
    19,049.80x = 28,574.70 × 5,198.80
  4. Step 4: Simplify right side
    19,049.80x = 148,554,150.36
  5. Step 5: Solve for x
    x = 148,554,150.36/19,049.80
  6. Step 6: Final answer
    x = 7,798.20

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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.