Home / 13,644.97-20,446.59-9,186.12

Finding the Fourth Proportional to 13,644.97, 20,446.59 and 9,186.12

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Solution

The fourth proportional to 13,644.97, 20,446.59 and 9,186.12 is: 13,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.97 : 20,446.59 = 9,186.12 : x
  2. Step 2: Convert to fraction form
    13,644.97/20,446.59 = 9,186.12/x
  3. Step 3: Cross multiply
    13,644.97x = 20,446.59 × 9,186.12
  4. Step 4: Simplify right side
    13,644.97x = 187,824,829.33
  5. Step 5: Solve for x
    x = 187,824,829.33/13,644.97
  6. Step 6: Final answer
    x = 13,765.13

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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.