Home / 14,474.86-21,662.96-12,137.50

Finding the Fourth Proportional to 14,474.86, 21,662.96 and 12,137.50

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Solution

The fourth proportional to 14,474.86, 21,662.96 and 12,137.50 is: 18,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,474.86 : 21,662.96 = 12,137.50 : x
  2. Step 2: Convert to fraction form
    14,474.86/21,662.96 = 12,137.50/x
  3. Step 3: Cross multiply
    14,474.86x = 21,662.96 × 12,137.50
  4. Step 4: Simplify right side
    14,474.86x = 262,934,177
  5. Step 5: Solve for x
    x = 262,934,177/14,474.86
  6. Step 6: Final answer
    x = 18,164.89

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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.