Home / 17,141.79-23,654.20-9,971.85

Finding the Fourth Proportional to 17,141.79, 23,654.20 and 9,971.85

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Solution

The fourth proportional to 17,141.79, 23,654.20 and 9,971.85 is: 13,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.79 : 23,654.20 = 9,971.85 : x
  2. Step 2: Convert to fraction form
    17,141.79/23,654.20 = 9,971.85/x
  3. Step 3: Cross multiply
    17,141.79x = 23,654.20 × 9,971.85
  4. Step 4: Simplify right side
    17,141.79x = 235,876,084.41
  5. Step 5: Solve for x
    x = 235,876,084.41/17,141.79
  6. Step 6: Final answer
    x = 13,760.29

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1.5x scale

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.