Home / 10,872.74-16,305.25-5,173.02

Finding the Fourth Proportional to 10,872.74, 16,305.25 and 5,173.02

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Solution

The fourth proportional to 10,872.74, 16,305.25 and 5,173.02 is: 7,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.74 : 16,305.25 = 5,173.02 : x
  2. Step 2: Convert to fraction form
    10,872.74/16,305.25 = 5,173.02/x
  3. Step 3: Cross multiply
    10,872.74x = 16,305.25 × 5,173.02
  4. Step 4: Simplify right side
    10,872.74x = 84,347,384.36
  5. Step 5: Solve for x
    x = 84,347,384.36/10,872.74
  6. Step 6: Final answer
    x = 7,757.69

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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.