Home / 20,217.83-30,329.97-8,532.77

Finding the Fourth Proportional to 20,217.83, 30,329.97 and 8,532.77

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Solution

The fourth proportional to 20,217.83, 30,329.97 and 8,532.77 is: 12,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.83 : 30,329.97 = 8,532.77 : x
  2. Step 2: Convert to fraction form
    20,217.83/30,329.97 = 8,532.77/x
  3. Step 3: Cross multiply
    20,217.83x = 30,329.97 × 8,532.77
  4. Step 4: Simplify right side
    20,217.83x = 258,798,658.12
  5. Step 5: Solve for x
    x = 258,798,658.12/20,217.83
  6. Step 6: Final answer
    x = 12,800.52

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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.