Home / 16,160.79-22,301.67-9,087.21

Finding the Fourth Proportional to 16,160.79, 22,301.67 and 9,087.21

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Solution

The fourth proportional to 16,160.79, 22,301.67 and 9,087.21 is: 12,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,160.79 : 22,301.67 = 9,087.21 : x
  2. Step 2: Convert to fraction form
    16,160.79/22,301.67 = 9,087.21/x
  3. Step 3: Cross multiply
    16,160.79x = 22,301.67 × 9,087.21
  4. Step 4: Simplify right side
    16,160.79x = 202,659,958.64
  5. Step 5: Solve for x
    x = 202,659,958.64/16,160.79
  6. Step 6: Final answer
    x = 12,540.23

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