Home / 10,820.44-16,233.30-6,381.88

Finding the Fourth Proportional to 10,820.44, 16,233.30 and 6,381.88

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Solution

The fourth proportional to 10,820.44, 16,233.30 and 6,381.88 is: 9,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.44 : 16,233.30 = 6,381.88 : x
  2. Step 2: Convert to fraction form
    10,820.44/16,233.30 = 6,381.88/x
  3. Step 3: Cross multiply
    10,820.44x = 16,233.30 × 6,381.88
  4. Step 4: Simplify right side
    10,820.44x = 103,598,972.60
  5. Step 5: Solve for x
    x = 103,598,972.60/10,820.44
  6. Step 6: Final answer
    x = 9,574.38

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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.