Home / 20,604.80-30,909.62-6,559.91

Finding the Fourth Proportional to 20,604.80, 30,909.62 and 6,559.91

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Solution

The fourth proportional to 20,604.80, 30,909.62 and 6,559.91 is: 9,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.80 : 30,909.62 = 6,559.91 : x
  2. Step 2: Convert to fraction form
    20,604.80/30,909.62 = 6,559.91/x
  3. Step 3: Cross multiply
    20,604.80x = 30,909.62 × 6,559.91
  4. Step 4: Simplify right side
    20,604.80x = 202,764,292.53
  5. Step 5: Solve for x
    x = 202,764,292.53/20,604.80
  6. Step 6: Final answer
    x = 9,840.63

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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.