Home / 18,209.21-27,317.45-5,731.16

Finding the Fourth Proportional to 18,209.21, 27,317.45 and 5,731.16

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Solution

The fourth proportional to 18,209.21, 27,317.45 and 5,731.16 is: 8,597.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.21 : 27,317.45 = 5,731.16 : x
  2. Step 2: Convert to fraction form
    18,209.21/27,317.45 = 5,731.16/x
  3. Step 3: Cross multiply
    18,209.21x = 27,317.45 × 5,731.16
  4. Step 4: Simplify right side
    18,209.21x = 156,560,554.48
  5. Step 5: Solve for x
    x = 156,560,554.48/18,209.21
  6. Step 6: Final answer
    x = 8,597.88

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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.