Home / 10,828.77-16,245.45-3,432.26

Finding the Fourth Proportional to 10,828.77, 16,245.45 and 3,432.26

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Solution

The fourth proportional to 10,828.77, 16,245.45 and 3,432.26 is: 5,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.77 : 16,245.45 = 3,432.26 : x
  2. Step 2: Convert to fraction form
    10,828.77/16,245.45 = 3,432.26/x
  3. Step 3: Cross multiply
    10,828.77x = 16,245.45 × 3,432.26
  4. Step 4: Simplify right side
    10,828.77x = 55,758,526.99
  5. Step 5: Solve for x
    x = 55,758,526.99/10,828.77
  6. Step 6: Final answer
    x = 5,149.11

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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.