Home / 13,318.76-19,977.24-4,553.48

Finding the Fourth Proportional to 13,318.76, 19,977.24 and 4,553.48

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Solution

The fourth proportional to 13,318.76, 19,977.24 and 4,553.48 is: 6,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.76 : 19,977.24 = 4,553.48 : x
  2. Step 2: Convert to fraction form
    13,318.76/19,977.24 = 4,553.48/x
  3. Step 3: Cross multiply
    13,318.76x = 19,977.24 × 4,553.48
  4. Step 4: Simplify right side
    13,318.76x = 90,965,962.80
  5. Step 5: Solve for x
    x = 90,965,962.80/13,318.76
  6. Step 6: Final answer
    x = 6,829.91

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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.