Home / 10,828.40-16,242.44-3,432.86

Finding the Fourth Proportional to 10,828.40, 16,242.44 and 3,432.86

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Solution

The fourth proportional to 10,828.40, 16,242.44 and 3,432.86 is: 5,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.40 : 16,242.44 = 3,432.86 : x
  2. Step 2: Convert to fraction form
    10,828.40/16,242.44 = 3,432.86/x
  3. Step 3: Cross multiply
    10,828.40x = 16,242.44 × 3,432.86
  4. Step 4: Simplify right side
    10,828.40x = 55,758,022.58
  5. Step 5: Solve for x
    x = 55,758,022.58/10,828.40
  6. Step 6: Final answer
    x = 5,149.24

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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.