Home / 13,191.06-19,791.27-4,425.96

Finding the Fourth Proportional to 13,191.06, 19,791.27 and 4,425.96

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Solution

The fourth proportional to 13,191.06, 19,791.27 and 4,425.96 is: 6,640.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.06 : 19,791.27 = 4,425.96 : x
  2. Step 2: Convert to fraction form
    13,191.06/19,791.27 = 4,425.96/x
  3. Step 3: Cross multiply
    13,191.06x = 19,791.27 × 4,425.96
  4. Step 4: Simplify right side
    13,191.06x = 87,595,369.37
  5. Step 5: Solve for x
    x = 87,595,369.37/13,191.06
  6. Step 6: Final answer
    x = 6,640.51

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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.