Home / 18,326.12-25,289.82-9,942.56

Finding the Fourth Proportional to 18,326.12, 25,289.82 and 9,942.56

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Solution

The fourth proportional to 18,326.12, 25,289.82 and 9,942.56 is: 13,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.12 : 25,289.82 = 9,942.56 : x
  2. Step 2: Convert to fraction form
    18,326.12/25,289.82 = 9,942.56/x
  3. Step 3: Cross multiply
    18,326.12x = 25,289.82 × 9,942.56
  4. Step 4: Simplify right side
    18,326.12x = 251,445,552.74
  5. Step 5: Solve for x
    x = 251,445,552.74/18,326.12
  6. Step 6: Final answer
    x = 13,720.61

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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.