Home / 13,754.57-20,631.84-4,986.59

Finding the Fourth Proportional to 13,754.57, 20,631.84 and 4,986.59

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Solution

The fourth proportional to 13,754.57, 20,631.84 and 4,986.59 is: 7,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.57 : 20,631.84 = 4,986.59 : x
  2. Step 2: Convert to fraction form
    13,754.57/20,631.84 = 4,986.59/x
  3. Step 3: Cross multiply
    13,754.57x = 20,631.84 × 4,986.59
  4. Step 4: Simplify right side
    13,754.57x = 102,882,527.03
  5. Step 5: Solve for x
    x = 102,882,527.03/13,754.57
  6. Step 6: Final answer
    x = 7,479.88

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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.