Home / 16,221.80-24,315.90-8,810.60

Finding the Fourth Proportional to 16,221.80, 24,315.90 and 8,810.60

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Solution

The fourth proportional to 16,221.80, 24,315.90 and 8,810.60 is: 13,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.80 : 24,315.90 = 8,810.60 : x
  2. Step 2: Convert to fraction form
    16,221.80/24,315.90 = 8,810.60/x
  3. Step 3: Cross multiply
    16,221.80x = 24,315.90 × 8,810.60
  4. Step 4: Simplify right side
    16,221.80x = 214,237,668.54
  5. Step 5: Solve for x
    x = 214,237,668.54/16,221.80
  6. Step 6: Final answer
    x = 13,206.78

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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.