Home / 11,259.02-16,872.32-8,274

Finding the Fourth Proportional to 11,259.02, 16,872.32 and 8,274

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Solution

The fourth proportional to 11,259.02, 16,872.32 and 8,274 is: 12,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.02 : 16,872.32 = 8,274 : x
  2. Step 2: Convert to fraction form
    11,259.02/16,872.32 = 8,274/x
  3. Step 3: Cross multiply
    11,259.02x = 16,872.32 × 8,274
  4. Step 4: Simplify right side
    11,259.02x = 139,601,575.68
  5. Step 5: Solve for x
    x = 139,601,575.68/11,259.02
  6. Step 6: Final answer
    x = 12,399.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.