Home / 13,427.52-20,136.60-5,527.77

Finding the Fourth Proportional to 13,427.52, 20,136.60 and 5,527.77

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Solution

The fourth proportional to 13,427.52, 20,136.60 and 5,527.77 is: 8,289.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.52 : 20,136.60 = 5,527.77 : x
  2. Step 2: Convert to fraction form
    13,427.52/20,136.60 = 5,527.77/x
  3. Step 3: Cross multiply
    13,427.52x = 20,136.60 × 5,527.77
  4. Step 4: Simplify right side
    13,427.52x = 111,310,493.38
  5. Step 5: Solve for x
    x = 111,310,493.38/13,427.52
  6. Step 6: Final answer
    x = 8,289.73

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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.