Home / 13,942.75-20,914.13-4,708.75

Finding the Fourth Proportional to 13,942.75, 20,914.13 and 4,708.75

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Solution

The fourth proportional to 13,942.75, 20,914.13 and 4,708.75 is: 7,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.75 : 20,914.13 = 4,708.75 : x
  2. Step 2: Convert to fraction form
    13,942.75/20,914.13 = 4,708.75/x
  3. Step 3: Cross multiply
    13,942.75x = 20,914.13 × 4,708.75
  4. Step 4: Simplify right side
    13,942.75x = 98,479,409.64
  5. Step 5: Solve for x
    x = 98,479,409.64/13,942.75
  6. Step 6: Final answer
    x = 7,063.13

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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.