Home / 14,279.40-21,411.42-4,414.44

Finding the Fourth Proportional to 14,279.40, 21,411.42 and 4,414.44

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Solution

The fourth proportional to 14,279.40, 21,411.42 and 4,414.44 is: 6,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279.40 : 21,411.42 = 4,414.44 : x
  2. Step 2: Convert to fraction form
    14,279.40/21,411.42 = 4,414.44/x
  3. Step 3: Cross multiply
    14,279.40x = 21,411.42 × 4,414.44
  4. Step 4: Simplify right side
    14,279.40x = 94,519,428.90
  5. Step 5: Solve for x
    x = 94,519,428.90/14,279.40
  6. Step 6: Final answer
    x = 6,619.29

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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.