Home / 14,224.05-21,336.20-5,456.88

Finding the Fourth Proportional to 14,224.05, 21,336.20 and 5,456.88

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Solution

The fourth proportional to 14,224.05, 21,336.20 and 5,456.88 is: 8,185.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.05 : 21,336.20 = 5,456.88 : x
  2. Step 2: Convert to fraction form
    14,224.05/21,336.20 = 5,456.88/x
  3. Step 3: Cross multiply
    14,224.05x = 21,336.20 × 5,456.88
  4. Step 4: Simplify right side
    14,224.05x = 116,429,083.06
  5. Step 5: Solve for x
    x = 116,429,083.06/14,224.05
  6. Step 6: Final answer
    x = 8,185.37

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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.