Home / 13,499.92-20,211.18-8,825.14

Finding the Fourth Proportional to 13,499.92, 20,211.18 and 8,825.14

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Solution

The fourth proportional to 13,499.92, 20,211.18 and 8,825.14 is: 13,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,499.92 : 20,211.18 = 8,825.14 : x
  2. Step 2: Convert to fraction form
    13,499.92/20,211.18 = 8,825.14/x
  3. Step 3: Cross multiply
    13,499.92x = 20,211.18 × 8,825.14
  4. Step 4: Simplify right side
    13,499.92x = 178,366,493.07
  5. Step 5: Solve for x
    x = 178,366,493.07/13,499.92
  6. Step 6: Final answer
    x = 13,212.41

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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.