Home / 8,269.99-12,392.82-6,519.19

Finding the Fourth Proportional to 8,269.99, 12,392.82 and 6,519.19

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Solution

The fourth proportional to 8,269.99, 12,392.82 and 6,519.19 is: 9,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.99 : 12,392.82 = 6,519.19 : x
  2. Step 2: Convert to fraction form
    8,269.99/12,392.82 = 6,519.19/x
  3. Step 3: Cross multiply
    8,269.99x = 12,392.82 × 6,519.19
  4. Step 4: Simplify right side
    8,269.99x = 80,791,148.22
  5. Step 5: Solve for x
    x = 80,791,148.22/8,269.99
  6. Step 6: Final answer
    x = 9,769.20

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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.