Home / 10,871.12-16,306.44-3,475.48

Finding the Fourth Proportional to 10,871.12, 16,306.44 and 3,475.48

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Solution

The fourth proportional to 10,871.12, 16,306.44 and 3,475.48 is: 5,213.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.12 : 16,306.44 = 3,475.48 : x
  2. Step 2: Convert to fraction form
    10,871.12/16,306.44 = 3,475.48/x
  3. Step 3: Cross multiply
    10,871.12x = 16,306.44 × 3,475.48
  4. Step 4: Simplify right side
    10,871.12x = 56,672,706.09
  5. Step 5: Solve for x
    x = 56,672,706.09/10,871.12
  6. Step 6: Final answer
    x = 5,213.14

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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.