Home / 13,524.32-20,286.41-3,663.59

Finding the Fourth Proportional to 13,524.32, 20,286.41 and 3,663.59

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Solution

The fourth proportional to 13,524.32, 20,286.41 and 3,663.59 is: 5,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.32 : 20,286.41 = 3,663.59 : x
  2. Step 2: Convert to fraction form
    13,524.32/20,286.41 = 3,663.59/x
  3. Step 3: Cross multiply
    13,524.32x = 20,286.41 × 3,663.59
  4. Step 4: Simplify right side
    13,524.32x = 74,320,969.06
  5. Step 5: Solve for x
    x = 74,320,969.06/13,524.32
  6. Step 6: Final answer
    x = 5,495.36

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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.