Home / 13,140.33-19,713.27-4,375.92

Finding the Fourth Proportional to 13,140.33, 19,713.27 and 4,375.92

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Solution

The fourth proportional to 13,140.33, 19,713.27 and 4,375.92 is: 6,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.33 : 19,713.27 = 4,375.92 : x
  2. Step 2: Convert to fraction form
    13,140.33/19,713.27 = 4,375.92/x
  3. Step 3: Cross multiply
    13,140.33x = 19,713.27 × 4,375.92
  4. Step 4: Simplify right side
    13,140.33x = 86,263,782.79
  5. Step 5: Solve for x
    x = 86,263,782.79/13,140.33
  6. Step 6: Final answer
    x = 6,564.81

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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.