Home / 18,328.20-25,292.82-9,944.70

Finding the Fourth Proportional to 18,328.20, 25,292.82 and 9,944.70

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Solution

The fourth proportional to 18,328.20, 25,292.82 and 9,944.70 is: 13,723.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.20 : 25,292.82 = 9,944.70 : x
  2. Step 2: Convert to fraction form
    18,328.20/25,292.82 = 9,944.70/x
  3. Step 3: Cross multiply
    18,328.20x = 25,292.82 × 9,944.70
  4. Step 4: Simplify right side
    18,328.20x = 251,529,507.05
  5. Step 5: Solve for x
    x = 251,529,507.05/18,328.20
  6. Step 6: Final answer
    x = 13,723.63

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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.