Home / 14,305.16-21,456.84-4,942.96

Finding the Fourth Proportional to 14,305.16, 21,456.84 and 4,942.96

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Solution

The fourth proportional to 14,305.16, 21,456.84 and 4,942.96 is: 7,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.16 : 21,456.84 = 4,942.96 : x
  2. Step 2: Convert to fraction form
    14,305.16/21,456.84 = 4,942.96/x
  3. Step 3: Cross multiply
    14,305.16x = 21,456.84 × 4,942.96
  4. Step 4: Simplify right side
    14,305.16x = 106,060,301.85
  5. Step 5: Solve for x
    x = 106,060,301.85/14,305.16
  6. Step 6: Final answer
    x = 7,414.13

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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.