Home / 18,197.16-27,304.38-8,961

Finding the Fourth Proportional to 18,197.16, 27,304.38 and 8,961

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Solution

The fourth proportional to 18,197.16, 27,304.38 and 8,961 is: 13,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.16 : 27,304.38 = 8,961 : x
  2. Step 2: Convert to fraction form
    18,197.16/27,304.38 = 8,961/x
  3. Step 3: Cross multiply
    18,197.16x = 27,304.38 × 8,961
  4. Step 4: Simplify right side
    18,197.16x = 244,674,549.18
  5. Step 5: Solve for x
    x = 244,674,549.18/18,197.16
  6. Step 6: Final answer
    x = 13,445.75

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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.