Home / 13,849.99-20,770.22-4,487.60

Finding the Fourth Proportional to 13,849.99, 20,770.22 and 4,487.60

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Solution

The fourth proportional to 13,849.99, 20,770.22 and 4,487.60 is: 6,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.99 : 20,770.22 = 4,487.60 : x
  2. Step 2: Convert to fraction form
    13,849.99/20,770.22 = 4,487.60/x
  3. Step 3: Cross multiply
    13,849.99x = 20,770.22 × 4,487.60
  4. Step 4: Simplify right side
    13,849.99x = 93,208,502.42
  5. Step 5: Solve for x
    x = 93,208,502.42/13,849.99
  6. Step 6: Final answer
    x = 6,729.86

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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.