Home / 19,942.61-29,904.77-6,789.63

Finding the Fourth Proportional to 19,942.61, 29,904.77 and 6,789.63

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Solution

The fourth proportional to 19,942.61, 29,904.77 and 6,789.63 is: 10,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,942.61 : 29,904.77 = 6,789.63 : x
  2. Step 2: Convert to fraction form
    19,942.61/29,904.77 = 6,789.63/x
  3. Step 3: Cross multiply
    19,942.61x = 29,904.77 × 6,789.63
  4. Step 4: Simplify right side
    19,942.61x = 203,042,340.51
  5. Step 5: Solve for x
    x = 203,042,340.51/19,942.61
  6. Step 6: Final answer
    x = 10,181.33

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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.