Home / 20,464.30-30,677.82-7,313.59

Finding the Fourth Proportional to 20,464.30, 30,677.82 and 7,313.59

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Solution

The fourth proportional to 20,464.30, 30,677.82 and 7,313.59 is: 10,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.30 : 30,677.82 = 7,313.59 : x
  2. Step 2: Convert to fraction form
    20,464.30/30,677.82 = 7,313.59/x
  3. Step 3: Cross multiply
    20,464.30x = 30,677.82 × 7,313.59
  4. Step 4: Simplify right side
    20,464.30x = 224,364,997.57
  5. Step 5: Solve for x
    x = 224,364,997.57/20,464.30
  6. Step 6: Final answer
    x = 10,963.73

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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.