Home / 15,791.96-23,682.85-8,392.21

Finding the Fourth Proportional to 15,791.96, 23,682.85 and 8,392.21

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Solution

The fourth proportional to 15,791.96, 23,682.85 and 8,392.21 is: 12,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.96 : 23,682.85 = 8,392.21 : x
  2. Step 2: Convert to fraction form
    15,791.96/23,682.85 = 8,392.21/x
  3. Step 3: Cross multiply
    15,791.96x = 23,682.85 × 8,392.21
  4. Step 4: Simplify right side
    15,791.96x = 198,751,370.41
  5. Step 5: Solve for x
    x = 198,751,370.41/15,791.96
  6. Step 6: Final answer
    x = 12,585.60

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1.5x scale

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.