Home / 14,063.62-21,128.24-8,224.34

Finding the Fourth Proportional to 14,063.62, 21,128.24 and 8,224.34

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Solution

The fourth proportional to 14,063.62, 21,128.24 and 8,224.34 is: 12,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.62 : 21,128.24 = 8,224.34 : x
  2. Step 2: Convert to fraction form
    14,063.62/21,128.24 = 8,224.34/x
  3. Step 3: Cross multiply
    14,063.62x = 21,128.24 × 8,224.34
  4. Step 4: Simplify right side
    14,063.62x = 173,765,829.36
  5. Step 5: Solve for x
    x = 173,765,829.36/14,063.62
  6. Step 6: Final answer
    x = 12,355.70

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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.