Home / 21,504.92-29,676.24-12,552.80

Finding the Fourth Proportional to 21,504.92, 29,676.24 and 12,552.80

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Solution

The fourth proportional to 21,504.92, 29,676.24 and 12,552.80 is: 17,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.92 : 29,676.24 = 12,552.80 : x
  2. Step 2: Convert to fraction form
    21,504.92/29,676.24 = 12,552.80/x
  3. Step 3: Cross multiply
    21,504.92x = 29,676.24 × 12,552.80
  4. Step 4: Simplify right side
    21,504.92x = 372,519,905.47
  5. Step 5: Solve for x
    x = 372,519,905.47/21,504.92
  6. Step 6: Final answer
    x = 17,322.54

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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.