Home / 14,063.74-21,128.42-8,224.46

Finding the Fourth Proportional to 14,063.74, 21,128.42 and 8,224.46

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Solution

The fourth proportional to 14,063.74, 21,128.42 and 8,224.46 is: 12,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.74 : 21,128.42 = 8,224.46 : x
  2. Step 2: Convert to fraction form
    14,063.74/21,128.42 = 8,224.46/x
  3. Step 3: Cross multiply
    14,063.74x = 21,128.42 × 8,224.46
  4. Step 4: Simplify right side
    14,063.74x = 173,769,845.15
  5. Step 5: Solve for x
    x = 173,769,845.15/14,063.74
  6. Step 6: Final answer
    x = 12,355.88

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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.