Home / 17,891.27-26,786.98-11,635.64

Finding the Fourth Proportional to 17,891.27, 26,786.98 and 11,635.64

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Solution

The fourth proportional to 17,891.27, 26,786.98 and 11,635.64 is: 17,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.27 : 26,786.98 = 11,635.64 : x
  2. Step 2: Convert to fraction form
    17,891.27/26,786.98 = 11,635.64/x
  3. Step 3: Cross multiply
    17,891.27x = 26,786.98 × 11,635.64
  4. Step 4: Simplify right side
    17,891.27x = 311,683,655.97
  5. Step 5: Solve for x
    x = 311,683,655.97/17,891.27
  6. Step 6: Final answer
    x = 17,420.99

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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.