Home / 13,994.28-20,969.82-7,073.64

Finding the Fourth Proportional to 13,994.28, 20,969.82 and 7,073.64

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Solution

The fourth proportional to 13,994.28, 20,969.82 and 7,073.64 is: 10,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.28 : 20,969.82 = 7,073.64 : x
  2. Step 2: Convert to fraction form
    13,994.28/20,969.82 = 7,073.64/x
  3. Step 3: Cross multiply
    13,994.28x = 20,969.82 × 7,073.64
  4. Step 4: Simplify right side
    13,994.28x = 148,332,957.54
  5. Step 5: Solve for x
    x = 148,332,957.54/13,994.28
  6. Step 6: Final answer
    x = 10,599.54

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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.