Home / 18,698.72-28,044.76-6,850

Finding the Fourth Proportional to 18,698.72, 28,044.76 and 6,850

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Solution

The fourth proportional to 18,698.72, 28,044.76 and 6,850 is: 10,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.72 : 28,044.76 = 6,850 : x
  2. Step 2: Convert to fraction form
    18,698.72/28,044.76 = 6,850/x
  3. Step 3: Cross multiply
    18,698.72x = 28,044.76 × 6,850
  4. Step 4: Simplify right side
    18,698.72x = 192,106,606
  5. Step 5: Solve for x
    x = 192,106,606/18,698.72
  6. Step 6: Final answer
    x = 10,273.78

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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.