Home / 13,288.84-19,928.94-6,267.88

Finding the Fourth Proportional to 13,288.84, 19,928.94 and 6,267.88

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Solution

The fourth proportional to 13,288.84, 19,928.94 and 6,267.88 is: 9,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.84 : 19,928.94 = 6,267.88 : x
  2. Step 2: Convert to fraction form
    13,288.84/19,928.94 = 6,267.88/x
  3. Step 3: Cross multiply
    13,288.84x = 19,928.94 × 6,267.88
  4. Step 4: Simplify right side
    13,288.84x = 124,912,204.45
  5. Step 5: Solve for x
    x = 124,912,204.45/13,288.84
  6. Step 6: Final answer
    x = 9,399.78

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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.