Home / 13,441.39-20,162.36-4,892.54

Finding the Fourth Proportional to 13,441.39, 20,162.36 and 4,892.54

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Solution

The fourth proportional to 13,441.39, 20,162.36 and 4,892.54 is: 7,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.39 : 20,162.36 = 4,892.54 : x
  2. Step 2: Convert to fraction form
    13,441.39/20,162.36 = 4,892.54/x
  3. Step 3: Cross multiply
    13,441.39x = 20,162.36 × 4,892.54
  4. Step 4: Simplify right side
    13,441.39x = 98,645,027.52
  5. Step 5: Solve for x
    x = 98,645,027.52/13,441.39
  6. Step 6: Final answer
    x = 7,338.90

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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.