Home / 20,604.38-30,903.80-5,814.48

Finding the Fourth Proportional to 20,604.38, 30,903.80 and 5,814.48

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Solution

The fourth proportional to 20,604.38, 30,903.80 and 5,814.48 is: 8,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.38 : 30,903.80 = 5,814.48 : x
  2. Step 2: Convert to fraction form
    20,604.38/30,903.80 = 5,814.48/x
  3. Step 3: Cross multiply
    20,604.38x = 30,903.80 × 5,814.48
  4. Step 4: Simplify right side
    20,604.38x = 179,689,497.95
  5. Step 5: Solve for x
    x = 179,689,497.95/20,604.38
  6. Step 6: Final answer
    x = 8,720.94

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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.