Home / 19,822.87-29,734.35-6,684.47

Finding the Fourth Proportional to 19,822.87, 29,734.35 and 6,684.47

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Solution

The fourth proportional to 19,822.87, 29,734.35 and 6,684.47 is: 10,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,822.87 : 29,734.35 = 6,684.47 : x
  2. Step 2: Convert to fraction form
    19,822.87/29,734.35 = 6,684.47/x
  3. Step 3: Cross multiply
    19,822.87x = 29,734.35 × 6,684.47
  4. Step 4: Simplify right side
    19,822.87x = 198,758,370.54
  5. Step 5: Solve for x
    x = 198,758,370.54/19,822.87
  6. Step 6: Final answer
    x = 10,026.72

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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.