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Finding the Fourth Proportional to 19,798.83, 29,698.25 and 6,651.23

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Solution

The fourth proportional to 19,798.83, 29,698.25 and 6,651.23 is: 9,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,798.83 : 29,698.25 = 6,651.23 : x
  2. Step 2: Convert to fraction form
    19,798.83/29,698.25 = 6,651.23/x
  3. Step 3: Cross multiply
    19,798.83x = 29,698.25 × 6,651.23
  4. Step 4: Simplify right side
    19,798.83x = 197,529,709.60
  5. Step 5: Solve for x
    x = 197,529,709.60/19,798.83
  6. Step 6: Final answer
    x = 9,976.84

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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.