Home / 18,460.44-25,471.26-11,382.12

Finding the Fourth Proportional to 18,460.44, 25,471.26 and 11,382.12

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Solution

The fourth proportional to 18,460.44, 25,471.26 and 11,382.12 is: 15,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.44 : 25,471.26 = 11,382.12 : x
  2. Step 2: Convert to fraction form
    18,460.44/25,471.26 = 11,382.12/x
  3. Step 3: Cross multiply
    18,460.44x = 25,471.26 × 11,382.12
  4. Step 4: Simplify right side
    18,460.44x = 289,916,937.87
  5. Step 5: Solve for x
    x = 289,916,937.87/18,460.44
  6. Step 6: Final answer
    x = 15,704.77

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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.