Home / 13,804.21-19,050.56-7,836.67

Finding the Fourth Proportional to 13,804.21, 19,050.56 and 7,836.67

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Solution

The fourth proportional to 13,804.21, 19,050.56 and 7,836.67 is: 10,815.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.21 : 19,050.56 = 7,836.67 : x
  2. Step 2: Convert to fraction form
    13,804.21/19,050.56 = 7,836.67/x
  3. Step 3: Cross multiply
    13,804.21x = 19,050.56 × 7,836.67
  4. Step 4: Simplify right side
    13,804.21x = 149,292,912.85
  5. Step 5: Solve for x
    x = 149,292,912.85/13,804.21
  6. Step 6: Final answer
    x = 10,815.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.