Home / 19,669.43-27,144.25-10,717.38

Finding the Fourth Proportional to 19,669.43, 27,144.25 and 10,717.38

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Solution

The fourth proportional to 19,669.43, 27,144.25 and 10,717.38 is: 14,790.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.43 : 27,144.25 = 10,717.38 : x
  2. Step 2: Convert to fraction form
    19,669.43/27,144.25 = 10,717.38/x
  3. Step 3: Cross multiply
    19,669.43x = 27,144.25 × 10,717.38
  4. Step 4: Simplify right side
    19,669.43x = 290,915,215.27
  5. Step 5: Solve for x
    x = 290,915,215.27/19,669.43
  6. Step 6: Final answer
    x = 14,790.22

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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.