Home / 21,025.66-29,014.38-12,076.36

Finding the Fourth Proportional to 21,025.66, 29,014.38 and 12,076.36

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Solution

The fourth proportional to 21,025.66, 29,014.38 and 12,076.36 is: 16,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.66 : 29,014.38 = 12,076.36 : x
  2. Step 2: Convert to fraction form
    21,025.66/29,014.38 = 12,076.36/x
  3. Step 3: Cross multiply
    21,025.66x = 29,014.38 × 12,076.36
  4. Step 4: Simplify right side
    21,025.66x = 350,388,098.06
  5. Step 5: Solve for x
    x = 350,388,098.06/21,025.66
  6. Step 6: Final answer
    x = 16,664.78

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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.