Home / 13,948.96-20,922.38-4,589.28

Finding the Fourth Proportional to 13,948.96, 20,922.38 and 4,589.28

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Solution

The fourth proportional to 13,948.96, 20,922.38 and 4,589.28 is: 6,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.96 : 20,922.38 = 4,589.28 : x
  2. Step 2: Convert to fraction form
    13,948.96/20,922.38 = 4,589.28/x
  3. Step 3: Cross multiply
    13,948.96x = 20,922.38 × 4,589.28
  4. Step 4: Simplify right side
    13,948.96x = 96,018,660.09
  5. Step 5: Solve for x
    x = 96,018,660.09/13,948.96
  6. Step 6: Final answer
    x = 6,883.57

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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.