Home / 11,665.80-17,498.62-2,900.70

Finding the Fourth Proportional to 11,665.80, 17,498.62 and 2,900.70

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Solution

The fourth proportional to 11,665.80, 17,498.62 and 2,900.70 is: 4,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.80 : 17,498.62 = 2,900.70 : x
  2. Step 2: Convert to fraction form
    11,665.80/17,498.62 = 2,900.70/x
  3. Step 3: Cross multiply
    11,665.80x = 17,498.62 × 2,900.70
  4. Step 4: Simplify right side
    11,665.80x = 50,758,247.03
  5. Step 5: Solve for x
    x = 50,758,247.03/11,665.80
  6. Step 6: Final answer
    x = 4,351.03

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Similar ratio
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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.