Home / 11,020.05-16,509.24-8,542.74

Finding the Fourth Proportional to 11,020.05, 16,509.24 and 8,542.74

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Solution

The fourth proportional to 11,020.05, 16,509.24 and 8,542.74 is: 12,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.05 : 16,509.24 = 8,542.74 : x
  2. Step 2: Convert to fraction form
    11,020.05/16,509.24 = 8,542.74/x
  3. Step 3: Cross multiply
    11,020.05x = 16,509.24 × 8,542.74
  4. Step 4: Simplify right side
    11,020.05x = 141,034,144.92
  5. Step 5: Solve for x
    x = 141,034,144.92/11,020.05
  6. Step 6: Final answer
    x = 12,797.96

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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.