Home / 13,697.77-20,546.66-3,309.52

Finding the Fourth Proportional to 13,697.77, 20,546.66 and 3,309.52

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Solution

The fourth proportional to 13,697.77, 20,546.66 and 3,309.52 is: 4,964.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.77 : 20,546.66 = 3,309.52 : x
  2. Step 2: Convert to fraction form
    13,697.77/20,546.66 = 3,309.52/x
  3. Step 3: Cross multiply
    13,697.77x = 20,546.66 × 3,309.52
  4. Step 4: Simplify right side
    13,697.77x = 67,999,582.20
  5. Step 5: Solve for x
    x = 67,999,582.20/13,697.77
  6. Step 6: Final answer
    x = 4,964.28

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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.