Home / 14,481.15-21,721.42-4,620.30

Finding the Fourth Proportional to 14,481.15, 21,721.42 and 4,620.30

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Solution

The fourth proportional to 14,481.15, 21,721.42 and 4,620.30 is: 6,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.15 : 21,721.42 = 4,620.30 : x
  2. Step 2: Convert to fraction form
    14,481.15/21,721.42 = 4,620.30/x
  3. Step 3: Cross multiply
    14,481.15x = 21,721.42 × 4,620.30
  4. Step 4: Simplify right side
    14,481.15x = 100,359,476.83
  5. Step 5: Solve for x
    x = 100,359,476.83/14,481.15
  6. Step 6: Final answer
    x = 6,930.35

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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.