Home / 17,786.43-26,687.39-8,433

Finding the Fourth Proportional to 17,786.43, 26,687.39 and 8,433

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Solution

The fourth proportional to 17,786.43, 26,687.39 and 8,433 is: 12,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.43 : 26,687.39 = 8,433 : x
  2. Step 2: Convert to fraction form
    17,786.43/26,687.39 = 8,433/x
  3. Step 3: Cross multiply
    17,786.43x = 26,687.39 × 8,433
  4. Step 4: Simplify right side
    17,786.43x = 225,054,717.71
  5. Step 5: Solve for x
    x = 225,054,717.71/17,786.43
  6. Step 6: Final answer
    x = 12,653.17

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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.