Home / 21,481.50-29,644.38-12,050.07

Finding the Fourth Proportional to 21,481.50, 29,644.38 and 12,050.07

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Solution

The fourth proportional to 21,481.50, 29,644.38 and 12,050.07 is: 16,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.50 : 29,644.38 = 12,050.07 : x
  2. Step 2: Convert to fraction form
    21,481.50/29,644.38 = 12,050.07/x
  3. Step 3: Cross multiply
    21,481.50x = 29,644.38 × 12,050.07
  4. Step 4: Simplify right side
    21,481.50x = 357,216,742.94
  5. Step 5: Solve for x
    x = 357,216,742.94/21,481.50
  6. Step 6: Final answer
    x = 16,629.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.