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Finding the Fourth Proportional to 17,698.92, 26,560.44 and 7,310.60

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Solution

The fourth proportional to 17,698.92, 26,560.44 and 7,310.60 is: 10,970.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.92 : 26,560.44 = 7,310.60 : x
  2. Step 2: Convert to fraction form
    17,698.92/26,560.44 = 7,310.60/x
  3. Step 3: Cross multiply
    17,698.92x = 26,560.44 × 7,310.60
  4. Step 4: Simplify right side
    17,698.92x = 194,172,752.66
  5. Step 5: Solve for x
    x = 194,172,752.66/17,698.92
  6. Step 6: Final answer
    x = 10,970.88

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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.