Home / 11,149.83-16,724.73-2,830.47

Finding the Fourth Proportional to 11,149.83, 16,724.73 and 2,830.47

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Solution

The fourth proportional to 11,149.83, 16,724.73 and 2,830.47 is: 4,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,149.83 : 16,724.73 = 2,830.47 : x
  2. Step 2: Convert to fraction form
    11,149.83/16,724.73 = 2,830.47/x
  3. Step 3: Cross multiply
    11,149.83x = 16,724.73 × 2,830.47
  4. Step 4: Simplify right side
    11,149.83x = 47,338,846.52
  5. Step 5: Solve for x
    x = 47,338,846.52/11,149.83
  6. Step 6: Final answer
    x = 4,245.70

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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.