Home / 10,820.54-16,233.24-3,425.45

Finding the Fourth Proportional to 10,820.54, 16,233.24 and 3,425.45

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Solution

The fourth proportional to 10,820.54, 16,233.24 and 3,425.45 is: 5,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.54 : 16,233.24 = 3,425.45 : x
  2. Step 2: Convert to fraction form
    10,820.54/16,233.24 = 3,425.45/x
  3. Step 3: Cross multiply
    10,820.54x = 16,233.24 × 3,425.45
  4. Step 4: Simplify right side
    10,820.54x = 55,606,070.79
  5. Step 5: Solve for x
    x = 55,606,070.79/10,820.54
  6. Step 6: Final answer
    x = 5,138.94

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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.