Home / 13,850.49-20,775.04-5,084.72

Finding the Fourth Proportional to 13,850.49, 20,775.04 and 5,084.72

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Solution

The fourth proportional to 13,850.49, 20,775.04 and 5,084.72 is: 7,626.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.49 : 20,775.04 = 5,084.72 : x
  2. Step 2: Convert to fraction form
    13,850.49/20,775.04 = 5,084.72/x
  3. Step 3: Cross multiply
    13,850.49x = 20,775.04 × 5,084.72
  4. Step 4: Simplify right side
    13,850.49x = 105,635,261.39
  5. Step 5: Solve for x
    x = 105,635,261.39/13,850.49
  6. Step 6: Final answer
    x = 7,626.82

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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.