Home / 10,820.34-16,224.36-3,426.66

Finding the Fourth Proportional to 10,820.34, 16,224.36 and 3,426.66

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Solution

The fourth proportional to 10,820.34, 16,224.36 and 3,426.66 is: 5,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.34 : 16,224.36 = 3,426.66 : x
  2. Step 2: Convert to fraction form
    10,820.34/16,224.36 = 3,426.66/x
  3. Step 3: Cross multiply
    10,820.34x = 16,224.36 × 3,426.66
  4. Step 4: Simplify right side
    10,820.34x = 55,595,365.44
  5. Step 5: Solve for x
    x = 55,595,365.44/10,820.34
  6. Step 6: Final answer
    x = 5,138.04

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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.