Home / 16,822.09-25,248.66-8,507.85

Finding the Fourth Proportional to 16,822.09, 25,248.66 and 8,507.85

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Solution

The fourth proportional to 16,822.09, 25,248.66 and 8,507.85 is: 12,769.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.09 : 25,248.66 = 8,507.85 : x
  2. Step 2: Convert to fraction form
    16,822.09/25,248.66 = 8,507.85/x
  3. Step 3: Cross multiply
    16,822.09x = 25,248.66 × 8,507.85
  4. Step 4: Simplify right side
    16,822.09x = 214,811,811.98
  5. Step 5: Solve for x
    x = 214,811,811.98/16,822.09
  6. Step 6: Final answer
    x = 12,769.63

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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.