Home / 16,871.85-25,306.70-5,186.25

Finding the Fourth Proportional to 16,871.85, 25,306.70 and 5,186.25

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Solution

The fourth proportional to 16,871.85, 25,306.70 and 5,186.25 is: 7,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.85 : 25,306.70 = 5,186.25 : x
  2. Step 2: Convert to fraction form
    16,871.85/25,306.70 = 5,186.25/x
  3. Step 3: Cross multiply
    16,871.85x = 25,306.70 × 5,186.25
  4. Step 4: Simplify right side
    16,871.85x = 131,246,846.94
  5. Step 5: Solve for x
    x = 131,246,846.94/16,871.85
  6. Step 6: Final answer
    x = 7,779.04

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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.