Home / 13,318.68-19,977.76-4,084.44

Finding the Fourth Proportional to 13,318.68, 19,977.76 and 4,084.44

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Solution

The fourth proportional to 13,318.68, 19,977.76 and 4,084.44 is: 6,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.68 : 19,977.76 = 4,084.44 : x
  2. Step 2: Convert to fraction form
    13,318.68/19,977.76 = 4,084.44/x
  3. Step 3: Cross multiply
    13,318.68x = 19,977.76 × 4,084.44
  4. Step 4: Simplify right side
    13,318.68x = 81,597,962.05
  5. Step 5: Solve for x
    x = 81,597,962.05/13,318.68
  6. Step 6: Final answer
    x = 6,126.58

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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.