Home / 18,738.24-25,864.30-10,786.06

Finding the Fourth Proportional to 18,738.24, 25,864.30 and 10,786.06

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Solution

The fourth proportional to 18,738.24, 25,864.30 and 10,786.06 is: 14,887.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.24 : 25,864.30 = 10,786.06 : x
  2. Step 2: Convert to fraction form
    18,738.24/25,864.30 = 10,786.06/x
  3. Step 3: Cross multiply
    18,738.24x = 25,864.30 × 10,786.06
  4. Step 4: Simplify right side
    18,738.24x = 278,973,891.66
  5. Step 5: Solve for x
    x = 278,973,891.66/18,738.24
  6. Step 6: Final answer
    x = 14,887.95

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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.