Home / 18,728.40-25,843.32-10,344.36

Finding the Fourth Proportional to 18,728.40, 25,843.32 and 10,344.36

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Solution

The fourth proportional to 18,728.40, 25,843.32 and 10,344.36 is: 14,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.40 : 25,843.32 = 10,344.36 : x
  2. Step 2: Convert to fraction form
    18,728.40/25,843.32 = 10,344.36/x
  3. Step 3: Cross multiply
    18,728.40x = 25,843.32 × 10,344.36
  4. Step 4: Simplify right side
    18,728.40x = 267,332,605.68
  5. Step 5: Solve for x
    x = 267,332,605.68/18,728.40
  6. Step 6: Final answer
    x = 14,274.18

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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.