Home / 13,759.56-20,639.44-3,371.32

Finding the Fourth Proportional to 13,759.56, 20,639.44 and 3,371.32

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Solution

The fourth proportional to 13,759.56, 20,639.44 and 3,371.32 is: 5,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759.56 : 20,639.44 = 3,371.32 : x
  2. Step 2: Convert to fraction form
    13,759.56/20,639.44 = 3,371.32/x
  3. Step 3: Cross multiply
    13,759.56x = 20,639.44 × 3,371.32
  4. Step 4: Simplify right side
    13,759.56x = 69,582,156.86
  5. Step 5: Solve for x
    x = 69,582,156.86/13,759.56
  6. Step 6: Final answer
    x = 5,057.00

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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.