Home / 17,138.36-23,654.88-11,159.62

Finding the Fourth Proportional to 17,138.36, 23,654.88 and 11,159.62

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Solution

The fourth proportional to 17,138.36, 23,654.88 and 11,159.62 is: 15,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138.36 : 23,654.88 = 11,159.62 : x
  2. Step 2: Convert to fraction form
    17,138.36/23,654.88 = 11,159.62/x
  3. Step 3: Cross multiply
    17,138.36x = 23,654.88 × 11,159.62
  4. Step 4: Simplify right side
    17,138.36x = 263,979,471.95
  5. Step 5: Solve for x
    x = 263,979,471.95/17,138.36
  6. Step 6: Final answer
    x = 15,402.84

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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.