Home / 13,245.88-19,868.68-4,011.88

Finding the Fourth Proportional to 13,245.88, 19,868.68 and 4,011.88

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Solution

The fourth proportional to 13,245.88, 19,868.68 and 4,011.88 is: 6,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.88 : 19,868.68 = 4,011.88 : x
  2. Step 2: Convert to fraction form
    13,245.88/19,868.68 = 4,011.88/x
  3. Step 3: Cross multiply
    13,245.88x = 19,868.68 × 4,011.88
  4. Step 4: Simplify right side
    13,245.88x = 79,710,759.92
  5. Step 5: Solve for x
    x = 79,710,759.92/13,245.88
  6. Step 6: Final answer
    x = 6,017.78

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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.