Home / 13,488.39-20,232.57-3,627.66

Finding the Fourth Proportional to 13,488.39, 20,232.57 and 3,627.66

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Solution

The fourth proportional to 13,488.39, 20,232.57 and 3,627.66 is: 5,441.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.39 : 20,232.57 = 3,627.66 : x
  2. Step 2: Convert to fraction form
    13,488.39/20,232.57 = 3,627.66/x
  3. Step 3: Cross multiply
    13,488.39x = 20,232.57 × 3,627.66
  4. Step 4: Simplify right side
    13,488.39x = 73,396,884.89
  5. Step 5: Solve for x
    x = 73,396,884.89/13,488.39
  6. Step 6: Final answer
    x = 5,441.49

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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.