Home / 13,472.37-20,217.20-6,543.09

Finding the Fourth Proportional to 13,472.37, 20,217.20 and 6,543.09

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Solution

The fourth proportional to 13,472.37, 20,217.20 and 6,543.09 is: 9,818.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.37 : 20,217.20 = 6,543.09 : x
  2. Step 2: Convert to fraction form
    13,472.37/20,217.20 = 6,543.09/x
  3. Step 3: Cross multiply
    13,472.37x = 20,217.20 × 6,543.09
  4. Step 4: Simplify right side
    13,472.37x = 132,282,926.43
  5. Step 5: Solve for x
    x = 132,282,926.43/13,472.37
  6. Step 6: Final answer
    x = 9,818.83

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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.