Home / 19,280.88-28,923.61-6,798.30

Finding the Fourth Proportional to 19,280.88, 28,923.61 and 6,798.30

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Solution

The fourth proportional to 19,280.88, 28,923.61 and 6,798.30 is: 10,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.88 : 28,923.61 = 6,798.30 : x
  2. Step 2: Convert to fraction form
    19,280.88/28,923.61 = 6,798.30/x
  3. Step 3: Cross multiply
    19,280.88x = 28,923.61 × 6,798.30
  4. Step 4: Simplify right side
    19,280.88x = 196,631,377.86
  5. Step 5: Solve for x
    x = 196,631,377.86/19,280.88
  6. Step 6: Final answer
    x = 10,198.26

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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.