Home / 13,604.28-18,773.94-7,942.92

Finding the Fourth Proportional to 13,604.28, 18,773.94 and 7,942.92

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Solution

The fourth proportional to 13,604.28, 18,773.94 and 7,942.92 is: 10,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.28 : 18,773.94 = 7,942.92 : x
  2. Step 2: Convert to fraction form
    13,604.28/18,773.94 = 7,942.92/x
  3. Step 3: Cross multiply
    13,604.28x = 18,773.94 × 7,942.92
  4. Step 4: Simplify right side
    13,604.28x = 149,119,903.50
  5. Step 5: Solve for x
    x = 149,119,903.50/13,604.28
  6. Step 6: Final answer
    x = 10,961.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.