Home / 13,941.80-20,912.73-9,800.34

Finding the Fourth Proportional to 13,941.80, 20,912.73 and 9,800.34

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Solution

The fourth proportional to 13,941.80, 20,912.73 and 9,800.34 is: 14,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.80 : 20,912.73 = 9,800.34 : x
  2. Step 2: Convert to fraction form
    13,941.80/20,912.73 = 9,800.34/x
  3. Step 3: Cross multiply
    13,941.80x = 20,912.73 × 9,800.34
  4. Step 4: Simplify right side
    13,941.80x = 204,951,864.33
  5. Step 5: Solve for x
    x = 204,951,864.33/13,941.80
  6. Step 6: Final answer
    x = 14,700.53

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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.