Home / 17,141.20-23,654.40-9,689.20

Finding the Fourth Proportional to 17,141.20, 23,654.40 and 9,689.20

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Solution

The fourth proportional to 17,141.20, 23,654.40 and 9,689.20 is: 13,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,141.20 : 23,654.40 = 9,689.20 : x
  2. Step 2: Convert to fraction form
    17,141.20/23,654.40 = 9,689.20/x
  3. Step 3: Cross multiply
    17,141.20x = 23,654.40 × 9,689.20
  4. Step 4: Simplify right side
    17,141.20x = 229,192,212.48
  5. Step 5: Solve for x
    x = 229,192,212.48/17,141.20
  6. Step 6: Final answer
    x = 13,370.84

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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.