Home / 13,336.38-20,004.56-4,102.38

Finding the Fourth Proportional to 13,336.38, 20,004.56 and 4,102.38

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Solution

The fourth proportional to 13,336.38, 20,004.56 and 4,102.38 is: 6,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.38 : 20,004.56 = 4,102.38 : x
  2. Step 2: Convert to fraction form
    13,336.38/20,004.56 = 4,102.38/x
  3. Step 3: Cross multiply
    13,336.38x = 20,004.56 × 4,102.38
  4. Step 4: Simplify right side
    13,336.38x = 82,066,306.85
  5. Step 5: Solve for x
    x = 82,066,306.85/13,336.38
  6. Step 6: Final answer
    x = 6,153.57

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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.