Home / 16,516.80-24,791.40-8,206.20

Finding the Fourth Proportional to 16,516.80, 24,791.40 and 8,206.20

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Solution

The fourth proportional to 16,516.80, 24,791.40 and 8,206.20 is: 12,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.80 : 24,791.40 = 8,206.20 : x
  2. Step 2: Convert to fraction form
    16,516.80/24,791.40 = 8,206.20/x
  3. Step 3: Cross multiply
    16,516.80x = 24,791.40 × 8,206.20
  4. Step 4: Simplify right side
    16,516.80x = 203,443,186.68
  5. Step 5: Solve for x
    x = 203,443,186.68/16,516.80
  6. Step 6: Final answer
    x = 12,317.35

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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.