Home / 11,958.40-17,938.32-4,563.56

Finding the Fourth Proportional to 11,958.40, 17,938.32 and 4,563.56

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Solution

The fourth proportional to 11,958.40, 17,938.32 and 4,563.56 is: 6,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.40 : 17,938.32 = 4,563.56 : x
  2. Step 2: Convert to fraction form
    11,958.40/17,938.32 = 4,563.56/x
  3. Step 3: Cross multiply
    11,958.40x = 17,938.32 × 4,563.56
  4. Step 4: Simplify right side
    11,958.40x = 81,862,599.62
  5. Step 5: Solve for x
    x = 81,862,599.62/11,958.40
  6. Step 6: Final answer
    x = 6,845.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.