Home / 19,399.43-29,074.80-8,293.07

Finding the Fourth Proportional to 19,399.43, 29,074.80 and 8,293.07

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Solution

The fourth proportional to 19,399.43, 29,074.80 and 8,293.07 is: 12,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399.43 : 29,074.80 = 8,293.07 : x
  2. Step 2: Convert to fraction form
    19,399.43/29,074.80 = 8,293.07/x
  3. Step 3: Cross multiply
    19,399.43x = 29,074.80 × 8,293.07
  4. Step 4: Simplify right side
    19,399.43x = 241,119,245.23
  5. Step 5: Solve for x
    x = 241,119,245.23/19,399.43
  6. Step 6: Final answer
    x = 12,429.19

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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.