Home / 13,476.96-20,218.62-4,242.96

Finding the Fourth Proportional to 13,476.96, 20,218.62 and 4,242.96

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Solution

The fourth proportional to 13,476.96, 20,218.62 and 4,242.96 is: 6,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.96 : 20,218.62 = 4,242.96 : x
  2. Step 2: Convert to fraction form
    13,476.96/20,218.62 = 4,242.96/x
  3. Step 3: Cross multiply
    13,476.96x = 20,218.62 × 4,242.96
  4. Step 4: Simplify right side
    13,476.96x = 85,786,795.92
  5. Step 5: Solve for x
    x = 85,786,795.92/13,476.96
  6. Step 6: Final answer
    x = 6,365.44

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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.