Home / 17,139.84-25,724.32-6,758.88

Finding the Fourth Proportional to 17,139.84, 25,724.32 and 6,758.88

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Solution

The fourth proportional to 17,139.84, 25,724.32 and 6,758.88 is: 10,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.84 : 25,724.32 = 6,758.88 : x
  2. Step 2: Convert to fraction form
    17,139.84/25,724.32 = 6,758.88/x
  3. Step 3: Cross multiply
    17,139.84x = 25,724.32 × 6,758.88
  4. Step 4: Simplify right side
    17,139.84x = 173,867,591.96
  5. Step 5: Solve for x
    x = 173,867,591.96/17,139.84
  6. Step 6: Final answer
    x = 10,144.06

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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.