Home / 19,984.23-29,989.71-8,297.43

Finding the Fourth Proportional to 19,984.23, 29,989.71 and 8,297.43

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Solution

The fourth proportional to 19,984.23, 29,989.71 and 8,297.43 is: 12,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.23 : 29,989.71 = 8,297.43 : x
  2. Step 2: Convert to fraction form
    19,984.23/29,989.71 = 8,297.43/x
  3. Step 3: Cross multiply
    19,984.23x = 29,989.71 × 8,297.43
  4. Step 4: Simplify right side
    19,984.23x = 248,837,519.45
  5. Step 5: Solve for x
    x = 248,837,519.45/19,984.23
  6. Step 6: Final answer
    x = 12,451.69

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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.