Home / 13,524.50-20,286.83-3,663.06

Finding the Fourth Proportional to 13,524.50, 20,286.83 and 3,663.06

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Solution

The fourth proportional to 13,524.50, 20,286.83 and 3,663.06 is: 5,494.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.50 : 20,286.83 = 3,663.06 : x
  2. Step 2: Convert to fraction form
    13,524.50/20,286.83 = 3,663.06/x
  3. Step 3: Cross multiply
    13,524.50x = 20,286.83 × 3,663.06
  4. Step 4: Simplify right side
    13,524.50x = 74,311,875.50
  5. Step 5: Solve for x
    x = 74,311,875.50/13,524.50
  6. Step 6: Final answer
    x = 5,494.61

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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.