Home / 18,391.23-25,375.47-10,837.86

Finding the Fourth Proportional to 18,391.23, 25,375.47 and 10,837.86

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Solution

The fourth proportional to 18,391.23, 25,375.47 and 10,837.86 is: 14,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.23 : 25,375.47 = 10,837.86 : x
  2. Step 2: Convert to fraction form
    18,391.23/25,375.47 = 10,837.86/x
  3. Step 3: Cross multiply
    18,391.23x = 25,375.47 × 10,837.86
  4. Step 4: Simplify right side
    18,391.23x = 275,015,791.29
  5. Step 5: Solve for x
    x = 275,015,791.29/18,391.23
  6. Step 6: Final answer
    x = 14,953.64

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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.