Home / 13,385.37-20,096.45-6,815.97

Finding the Fourth Proportional to 13,385.37, 20,096.45 and 6,815.97

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Solution

The fourth proportional to 13,385.37, 20,096.45 and 6,815.97 is: 10,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385.37 : 20,096.45 = 6,815.97 : x
  2. Step 2: Convert to fraction form
    13,385.37/20,096.45 = 6,815.97/x
  3. Step 3: Cross multiply
    13,385.37x = 20,096.45 × 6,815.97
  4. Step 4: Simplify right side
    13,385.37x = 136,976,766.23
  5. Step 5: Solve for x
    x = 136,976,766.23/13,385.37
  6. Step 6: Final answer
    x = 10,233.32

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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.