Home / 20,534.45-30,807.14-6,494.73

Finding the Fourth Proportional to 20,534.45, 30,807.14 and 6,494.73

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Solution

The fourth proportional to 20,534.45, 30,807.14 and 6,494.73 is: 9,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.45 : 30,807.14 = 6,494.73 : x
  2. Step 2: Convert to fraction form
    20,534.45/30,807.14 = 6,494.73/x
  3. Step 3: Cross multiply
    20,534.45x = 30,807.14 × 6,494.73
  4. Step 4: Simplify right side
    20,534.45x = 200,084,122.76
  5. Step 5: Solve for x
    x = 200,084,122.76/20,534.45
  6. Step 6: Final answer
    x = 9,743.83

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1.5x scale

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.