Home / 19,918.67-27,497.22-12,654.46

Finding the Fourth Proportional to 19,918.67, 27,497.22 and 12,654.46

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Solution

The fourth proportional to 19,918.67, 27,497.22 and 12,654.46 is: 17,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.67 : 27,497.22 = 12,654.46 : x
  2. Step 2: Convert to fraction form
    19,918.67/27,497.22 = 12,654.46/x
  3. Step 3: Cross multiply
    19,918.67x = 27,497.22 × 12,654.46
  4. Step 4: Simplify right side
    19,918.67x = 347,962,333.12
  5. Step 5: Solve for x
    x = 347,962,333.12/19,918.67
  6. Step 6: Final answer
    x = 17,469.15

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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.