Home / 18,350.70-25,324.20-10,392.78

Finding the Fourth Proportional to 18,350.70, 25,324.20 and 10,392.78

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Solution

The fourth proportional to 18,350.70, 25,324.20 and 10,392.78 is: 14,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.70 : 25,324.20 = 10,392.78 : x
  2. Step 2: Convert to fraction form
    18,350.70/25,324.20 = 10,392.78/x
  3. Step 3: Cross multiply
    18,350.70x = 25,324.20 × 10,392.78
  4. Step 4: Simplify right side
    18,350.70x = 263,188,839.28
  5. Step 5: Solve for x
    x = 263,188,839.28/18,350.70
  6. Step 6: Final answer
    x = 14,342.17

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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.