Home / 13,596.69-20,392.60-8,651.64

Finding the Fourth Proportional to 13,596.69, 20,392.60 and 8,651.64

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Solution

The fourth proportional to 13,596.69, 20,392.60 and 8,651.64 is: 12,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.69 : 20,392.60 = 8,651.64 : x
  2. Step 2: Convert to fraction form
    13,596.69/20,392.60 = 8,651.64/x
  3. Step 3: Cross multiply
    13,596.69x = 20,392.60 × 8,651.64
  4. Step 4: Simplify right side
    13,596.69x = 176,429,433.86
  5. Step 5: Solve for x
    x = 176,429,433.86/13,596.69
  6. Step 6: Final answer
    x = 12,975.91

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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.