Home / 13,829.48-20,726.46-8,285.96

Finding the Fourth Proportional to 13,829.48, 20,726.46 and 8,285.96

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Solution

The fourth proportional to 13,829.48, 20,726.46 and 8,285.96 is: 12,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.48 : 20,726.46 = 8,285.96 : x
  2. Step 2: Convert to fraction form
    13,829.48/20,726.46 = 8,285.96/x
  3. Step 3: Cross multiply
    13,829.48x = 20,726.46 × 8,285.96
  4. Step 4: Simplify right side
    13,829.48x = 171,738,618.50
  5. Step 5: Solve for x
    x = 171,738,618.50/13,829.48
  6. Step 6: Final answer
    x = 12,418.30

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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.