Home / 21,664.55-29,893.70-12,232.91

Finding the Fourth Proportional to 21,664.55, 29,893.70 and 12,232.91

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Solution

The fourth proportional to 21,664.55, 29,893.70 and 12,232.91 is: 16,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.55 : 29,893.70 = 12,232.91 : x
  2. Step 2: Convert to fraction form
    21,664.55/29,893.70 = 12,232.91/x
  3. Step 3: Cross multiply
    21,664.55x = 29,893.70 × 12,232.91
  4. Step 4: Simplify right side
    21,664.55x = 365,686,731.03
  5. Step 5: Solve for x
    x = 365,686,731.03/21,664.55
  6. Step 6: Final answer
    x = 16,879.50

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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.