Home / 13,808.28-20,709.52-4,449.14

Finding the Fourth Proportional to 13,808.28, 20,709.52 and 4,449.14

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Solution

The fourth proportional to 13,808.28, 20,709.52 and 4,449.14 is: 6,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.28 : 20,709.52 = 4,449.14 : x
  2. Step 2: Convert to fraction form
    13,808.28/20,709.52 = 4,449.14/x
  3. Step 3: Cross multiply
    13,808.28x = 20,709.52 × 4,449.14
  4. Step 4: Simplify right side
    13,808.28x = 92,139,553.81
  5. Step 5: Solve for x
    x = 92,139,553.81/13,808.28
  6. Step 6: Final answer
    x = 6,672.78

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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.