Home / 19,181.18-28,763.94-6,698.54

Finding the Fourth Proportional to 19,181.18, 28,763.94 and 6,698.54

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Solution

The fourth proportional to 19,181.18, 28,763.94 and 6,698.54 is: 10,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.18 : 28,763.94 = 6,698.54 : x
  2. Step 2: Convert to fraction form
    19,181.18/28,763.94 = 6,698.54/x
  3. Step 3: Cross multiply
    19,181.18x = 28,763.94 × 6,698.54
  4. Step 4: Simplify right side
    19,181.18x = 192,676,402.65
  5. Step 5: Solve for x
    x = 192,676,402.65/19,181.18
  6. Step 6: Final answer
    x = 10,045.08

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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.