Home / 18,934.97-26,129.92-10,321.23

Finding the Fourth Proportional to 18,934.97, 26,129.92 and 10,321.23

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Solution

The fourth proportional to 18,934.97, 26,129.92 and 10,321.23 is: 14,243.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.97 : 26,129.92 = 10,321.23 : x
  2. Step 2: Convert to fraction form
    18,934.97/26,129.92 = 10,321.23/x
  3. Step 3: Cross multiply
    18,934.97x = 26,129.92 × 10,321.23
  4. Step 4: Simplify right side
    18,934.97x = 269,692,914.20
  5. Step 5: Solve for x
    x = 269,692,914.20/18,934.97
  6. Step 6: Final answer
    x = 14,243.11

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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.