Home / 13,497.14-18,622.82-8,190.96

Finding the Fourth Proportional to 13,497.14, 18,622.82 and 8,190.96

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Solution

The fourth proportional to 13,497.14, 18,622.82 and 8,190.96 is: 11,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.14 : 18,622.82 = 8,190.96 : x
  2. Step 2: Convert to fraction form
    13,497.14/18,622.82 = 8,190.96/x
  3. Step 3: Cross multiply
    13,497.14x = 18,622.82 × 8,190.96
  4. Step 4: Simplify right side
    13,497.14x = 152,538,732.75
  5. Step 5: Solve for x
    x = 152,538,732.75/13,497.14
  6. Step 6: Final answer
    x = 11,301.56

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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.