Home / 15,693.86-23,540.80-3,847.62

Finding the Fourth Proportional to 15,693.86, 23,540.80 and 3,847.62

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Solution

The fourth proportional to 15,693.86, 23,540.80 and 3,847.62 is: 5,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.86 : 23,540.80 = 3,847.62 : x
  2. Step 2: Convert to fraction form
    15,693.86/23,540.80 = 3,847.62/x
  3. Step 3: Cross multiply
    15,693.86x = 23,540.80 × 3,847.62
  4. Step 4: Simplify right side
    15,693.86x = 90,576,052.90
  5. Step 5: Solve for x
    x = 90,576,052.90/15,693.86
  6. Step 6: Final answer
    x = 5,771.43

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Double scale
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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.