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Finding the Fourth Proportional to 11,659.79, 17,489.62 and 2,894.70

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Solution

The fourth proportional to 11,659.79, 17,489.62 and 2,894.70 is: 4,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.79 : 17,489.62 = 2,894.70 : x
  2. Step 2: Convert to fraction form
    11,659.79/17,489.62 = 2,894.70/x
  3. Step 3: Cross multiply
    11,659.79x = 17,489.62 × 2,894.70
  4. Step 4: Simplify right side
    11,659.79x = 50,627,198.43
  5. Step 5: Solve for x
    x = 50,627,198.43/11,659.79
  6. Step 6: Final answer
    x = 4,342.04

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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.