Home / 10,826.41-16,239.44-3,430.86

Finding the Fourth Proportional to 10,826.41, 16,239.44 and 3,430.86

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Solution

The fourth proportional to 10,826.41, 16,239.44 and 3,430.86 is: 5,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.41 : 16,239.44 = 3,430.86 : x
  2. Step 2: Convert to fraction form
    10,826.41/16,239.44 = 3,430.86/x
  3. Step 3: Cross multiply
    10,826.41x = 16,239.44 × 3,430.86
  4. Step 4: Simplify right side
    10,826.41x = 55,715,173.50
  5. Step 5: Solve for x
    x = 55,715,173.50/10,826.41
  6. Step 6: Final answer
    x = 5,146.23

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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.