Home / 14,305.14-21,454.43-3,917.70

Finding the Fourth Proportional to 14,305.14, 21,454.43 and 3,917.70

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Solution

The fourth proportional to 14,305.14, 21,454.43 and 3,917.70 is: 5,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.14 : 21,454.43 = 3,917.70 : x
  2. Step 2: Convert to fraction form
    14,305.14/21,454.43 = 3,917.70/x
  3. Step 3: Cross multiply
    14,305.14x = 21,454.43 × 3,917.70
  4. Step 4: Simplify right side
    14,305.14x = 84,052,020.41
  5. Step 5: Solve for x
    x = 84,052,020.41/14,305.14
  6. Step 6: Final answer
    x = 5,875.65

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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.