Home / 17,891.24-26,844.30-7,890.88

Finding the Fourth Proportional to 17,891.24, 26,844.30 and 7,890.88

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Solution

The fourth proportional to 17,891.24, 26,844.30 and 7,890.88 is: 11,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.24 : 26,844.30 = 7,890.88 : x
  2. Step 2: Convert to fraction form
    17,891.24/26,844.30 = 7,890.88/x
  3. Step 3: Cross multiply
    17,891.24x = 26,844.30 × 7,890.88
  4. Step 4: Simplify right side
    17,891.24x = 211,825,149.98
  5. Step 5: Solve for x
    x = 211,825,149.98/17,891.24
  6. Step 6: Final answer
    x = 11,839.60

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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.