Home / 19,713.83-27,198.09-12,644.15

Finding the Fourth Proportional to 19,713.83, 27,198.09 and 12,644.15

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Solution

The fourth proportional to 19,713.83, 27,198.09 and 12,644.15 is: 17,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,713.83 : 27,198.09 = 12,644.15 : x
  2. Step 2: Convert to fraction form
    19,713.83/27,198.09 = 12,644.15/x
  3. Step 3: Cross multiply
    19,713.83x = 27,198.09 × 12,644.15
  4. Step 4: Simplify right side
    19,713.83x = 343,896,593.68
  5. Step 5: Solve for x
    x = 343,896,593.68/19,713.83
  6. Step 6: Final answer
    x = 17,444.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.