Home / 14,814.40-22,221.60-12,481.60

Finding the Fourth Proportional to 14,814.40, 22,221.60 and 12,481.60

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Solution

The fourth proportional to 14,814.40, 22,221.60 and 12,481.60 is: 18,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.40 : 22,221.60 = 12,481.60 : x
  2. Step 2: Convert to fraction form
    14,814.40/22,221.60 = 12,481.60/x
  3. Step 3: Cross multiply
    14,814.40x = 22,221.60 × 12,481.60
  4. Step 4: Simplify right side
    14,814.40x = 277,361,122.56
  5. Step 5: Solve for x
    x = 277,361,122.56/14,814.40
  6. Step 6: Final answer
    x = 18,722.40

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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.