Home / 16,516.80-24,778.40-8,308.80

Finding the Fourth Proportional to 16,516.80, 24,778.40 and 8,308.80

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Solution

The fourth proportional to 16,516.80, 24,778.40 and 8,308.80 is: 12,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.80 : 24,778.40 = 8,308.80 : x
  2. Step 2: Convert to fraction form
    16,516.80/24,778.40 = 8,308.80/x
  3. Step 3: Cross multiply
    16,516.80x = 24,778.40 × 8,308.80
  4. Step 4: Simplify right side
    16,516.80x = 205,878,769.92
  5. Step 5: Solve for x
    x = 205,878,769.92/16,516.80
  6. Step 6: Final answer
    x = 12,464.81

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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.