Home / 13,438.44-20,158.04-3,577.73

Finding the Fourth Proportional to 13,438.44, 20,158.04 and 3,577.73

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Solution

The fourth proportional to 13,438.44, 20,158.04 and 3,577.73 is: 5,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.44 : 20,158.04 = 3,577.73 : x
  2. Step 2: Convert to fraction form
    13,438.44/20,158.04 = 3,577.73/x
  3. Step 3: Cross multiply
    13,438.44x = 20,158.04 × 3,577.73
  4. Step 4: Simplify right side
    13,438.44x = 72,119,905.77
  5. Step 5: Solve for x
    x = 72,119,905.77/13,438.44
  6. Step 6: Final answer
    x = 5,366.69

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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.