Home / 13,173.06-19,759.61-5,381.88

Finding the Fourth Proportional to 13,173.06, 19,759.61 and 5,381.88

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Solution

The fourth proportional to 13,173.06, 19,759.61 and 5,381.88 is: 8,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.06 : 19,759.61 = 5,381.88 : x
  2. Step 2: Convert to fraction form
    13,173.06/19,759.61 = 5,381.88/x
  3. Step 3: Cross multiply
    13,173.06x = 19,759.61 × 5,381.88
  4. Step 4: Simplify right side
    13,173.06x = 106,343,849.87
  5. Step 5: Solve for x
    x = 106,343,849.87/13,173.06
  6. Step 6: Final answer
    x = 8,072.83

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1.5x scale

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.