Home / 21,334.74-32,006.24-8,186.09

Finding the Fourth Proportional to 21,334.74, 32,006.24 and 8,186.09

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Solution

The fourth proportional to 21,334.74, 32,006.24 and 8,186.09 is: 12,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.74 : 32,006.24 = 8,186.09 : x
  2. Step 2: Convert to fraction form
    21,334.74/32,006.24 = 8,186.09/x
  3. Step 3: Cross multiply
    21,334.74x = 32,006.24 × 8,186.09
  4. Step 4: Simplify right side
    21,334.74x = 262,005,961.20
  5. Step 5: Solve for x
    x = 262,005,961.20/21,334.74
  6. Step 6: Final answer
    x = 12,280.72

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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.