Home / 16,811.28-25,214.44-6,279.99

Finding the Fourth Proportional to 16,811.28, 25,214.44 and 6,279.99

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Solution

The fourth proportional to 16,811.28, 25,214.44 and 6,279.99 is: 9,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.28 : 25,214.44 = 6,279.99 : x
  2. Step 2: Convert to fraction form
    16,811.28/25,214.44 = 6,279.99/x
  3. Step 3: Cross multiply
    16,811.28x = 25,214.44 × 6,279.99
  4. Step 4: Simplify right side
    16,811.28x = 158,346,431.06
  5. Step 5: Solve for x
    x = 158,346,431.06/16,811.28
  6. Step 6: Final answer
    x = 9,419.06

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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.