Home / 12,756.20-19,136.27-6,512.82

Finding the Fourth Proportional to 12,756.20, 19,136.27 and 6,512.82

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Solution

The fourth proportional to 12,756.20, 19,136.27 and 6,512.82 is: 9,770.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.20 : 19,136.27 = 6,512.82 : x
  2. Step 2: Convert to fraction form
    12,756.20/19,136.27 = 6,512.82/x
  3. Step 3: Cross multiply
    12,756.20x = 19,136.27 × 6,512.82
  4. Step 4: Simplify right side
    12,756.20x = 124,631,081.98
  5. Step 5: Solve for x
    x = 124,631,081.98/12,756.20
  6. Step 6: Final answer
    x = 9,770.24

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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.