Home / 18,724.62-25,839.96-10,768.40

Finding the Fourth Proportional to 18,724.62, 25,839.96 and 10,768.40

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Solution

The fourth proportional to 18,724.62, 25,839.96 and 10,768.40 is: 14,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.62 : 25,839.96 = 10,768.40 : x
  2. Step 2: Convert to fraction form
    18,724.62/25,839.96 = 10,768.40/x
  3. Step 3: Cross multiply
    18,724.62x = 25,839.96 × 10,768.40
  4. Step 4: Simplify right side
    18,724.62x = 278,255,025.26
  5. Step 5: Solve for x
    x = 278,255,025.26/18,724.62
  6. Step 6: Final answer
    x = 14,860.38

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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.