Home / 10,949.13-16,419.44-3,551.80

Finding the Fourth Proportional to 10,949.13, 16,419.44 and 3,551.80

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Solution

The fourth proportional to 10,949.13, 16,419.44 and 3,551.80 is: 5,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.13 : 16,419.44 = 3,551.80 : x
  2. Step 2: Convert to fraction form
    10,949.13/16,419.44 = 3,551.80/x
  3. Step 3: Cross multiply
    10,949.13x = 16,419.44 × 3,551.80
  4. Step 4: Simplify right side
    10,949.13x = 58,318,549.23
  5. Step 5: Solve for x
    x = 58,318,549.23/10,949.13
  6. Step 6: Final answer
    x = 5,326.32

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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.