Home / 18,613.94-27,937.31-15,694.29

Finding the Fourth Proportional to 18,613.94, 27,937.31 and 15,694.29

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Solution

The fourth proportional to 18,613.94, 27,937.31 and 15,694.29 is: 23,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.94 : 27,937.31 = 15,694.29 : x
  2. Step 2: Convert to fraction form
    18,613.94/27,937.31 = 15,694.29/x
  3. Step 3: Cross multiply
    18,613.94x = 27,937.31 × 15,694.29
  4. Step 4: Simplify right side
    18,613.94x = 438,456,166.49
  5. Step 5: Solve for x
    x = 438,456,166.49/18,613.94
  6. Step 6: Final answer
    x = 23,555.26

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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.