Home / 21,474.72-29,635.05-12,043.48

Finding the Fourth Proportional to 21,474.72, 29,635.05 and 12,043.48

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Solution

The fourth proportional to 21,474.72, 29,635.05 and 12,043.48 is: 16,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.72 : 29,635.05 = 12,043.48 : x
  2. Step 2: Convert to fraction form
    21,474.72/29,635.05 = 12,043.48/x
  3. Step 3: Cross multiply
    21,474.72x = 29,635.05 × 12,043.48
  4. Step 4: Simplify right side
    21,474.72x = 356,909,131.97
  5. Step 5: Solve for x
    x = 356,909,131.97/21,474.72
  6. Step 6: Final answer
    x = 16,619.97

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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.