Home / 14,284.40-21,418.92-4,419.44

Finding the Fourth Proportional to 14,284.40, 21,418.92 and 4,419.44

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Solution

The fourth proportional to 14,284.40, 21,418.92 and 4,419.44 is: 6,626.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.40 : 21,418.92 = 4,419.44 : x
  2. Step 2: Convert to fraction form
    14,284.40/21,418.92 = 4,419.44/x
  3. Step 3: Cross multiply
    14,284.40x = 21,418.92 × 4,419.44
  4. Step 4: Simplify right side
    14,284.40x = 94,659,631.80
  5. Step 5: Solve for x
    x = 94,659,631.80/14,284.40
  6. Step 6: Final answer
    x = 6,626.78

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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.