Home / 13,562.26-20,343.39-6,540.97

Finding the Fourth Proportional to 13,562.26, 20,343.39 and 6,540.97

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Solution

The fourth proportional to 13,562.26, 20,343.39 and 6,540.97 is: 9,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562.26 : 20,343.39 = 6,540.97 : x
  2. Step 2: Convert to fraction form
    13,562.26/20,343.39 = 6,540.97/x
  3. Step 3: Cross multiply
    13,562.26x = 20,343.39 × 6,540.97
  4. Step 4: Simplify right side
    13,562.26x = 133,065,503.69
  5. Step 5: Solve for x
    x = 133,065,503.69/13,562.26
  6. Step 6: Final answer
    x = 9,811.46

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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.