Home / 15,791.66-23,680.60-8,394.34

Finding the Fourth Proportional to 15,791.66, 23,680.60 and 8,394.34

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Solution

The fourth proportional to 15,791.66, 23,680.60 and 8,394.34 is: 12,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.66 : 23,680.60 = 8,394.34 : x
  2. Step 2: Convert to fraction form
    15,791.66/23,680.60 = 8,394.34/x
  3. Step 3: Cross multiply
    15,791.66x = 23,680.60 × 8,394.34
  4. Step 4: Simplify right side
    15,791.66x = 198,783,007.80
  5. Step 5: Solve for x
    x = 198,783,007.80/15,791.66
  6. Step 6: Final answer
    x = 12,587.85

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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.