Home / 13,979.49-20,969.24-9,583.62

Finding the Fourth Proportional to 13,979.49, 20,969.24 and 9,583.62

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Solution

The fourth proportional to 13,979.49, 20,969.24 and 9,583.62 is: 14,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,979.49 : 20,969.24 = 9,583.62 : x
  2. Step 2: Convert to fraction form
    13,979.49/20,969.24 = 9,583.62/x
  3. Step 3: Cross multiply
    13,979.49x = 20,969.24 × 9,583.62
  4. Step 4: Simplify right side
    13,979.49x = 200,961,227.85
  5. Step 5: Solve for x
    x = 200,961,227.85/13,979.49
  6. Step 6: Final answer
    x = 14,375.43

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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.