Home / 13,449.53-20,179.90-7,207.94

Finding the Fourth Proportional to 13,449.53, 20,179.90 and 7,207.94

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Solution

The fourth proportional to 13,449.53, 20,179.90 and 7,207.94 is: 10,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.53 : 20,179.90 = 7,207.94 : x
  2. Step 2: Convert to fraction form
    13,449.53/20,179.90 = 7,207.94/x
  3. Step 3: Cross multiply
    13,449.53x = 20,179.90 × 7,207.94
  4. Step 4: Simplify right side
    13,449.53x = 145,455,567.87
  5. Step 5: Solve for x
    x = 145,455,567.87/13,449.53
  6. Step 6: Final answer
    x = 10,814.92

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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.