Home / 20,205.15-30,309.27-6,166.41

Finding the Fourth Proportional to 20,205.15, 30,309.27 and 6,166.41

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Solution

The fourth proportional to 20,205.15, 30,309.27 and 6,166.41 is: 9,250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,205.15 : 30,309.27 = 6,166.41 : x
  2. Step 2: Convert to fraction form
    20,205.15/30,309.27 = 6,166.41/x
  3. Step 3: Cross multiply
    20,205.15x = 30,309.27 × 6,166.41
  4. Step 4: Simplify right side
    20,205.15x = 186,899,385.62
  5. Step 5: Solve for x
    x = 186,899,385.62/20,205.15
  6. Step 6: Final answer
    x = 9,250.09

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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.