Home / 14,394.15-21,554.31-12,179.82

Finding the Fourth Proportional to 14,394.15, 21,554.31 and 12,179.82

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Solution

The fourth proportional to 14,394.15, 21,554.31 and 12,179.82 is: 18,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.15 : 21,554.31 = 12,179.82 : x
  2. Step 2: Convert to fraction form
    14,394.15/21,554.31 = 12,179.82/x
  3. Step 3: Cross multiply
    14,394.15x = 21,554.31 × 12,179.82
  4. Step 4: Simplify right side
    14,394.15x = 262,527,616.02
  5. Step 5: Solve for x
    x = 262,527,616.02/14,394.15
  6. Step 6: Final answer
    x = 18,238.49

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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.