Home / 8,363.12-12,544.66-2,123.60

Finding the Fourth Proportional to 8,363.12, 12,544.66 and 2,123.60

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Solution

The fourth proportional to 8,363.12, 12,544.66 and 2,123.60 is: 3,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.12 : 12,544.66 = 2,123.60 : x
  2. Step 2: Convert to fraction form
    8,363.12/12,544.66 = 2,123.60/x
  3. Step 3: Cross multiply
    8,363.12x = 12,544.66 × 2,123.60
  4. Step 4: Simplify right side
    8,363.12x = 26,639,839.98
  5. Step 5: Solve for x
    x = 26,639,839.98/8,363.12
  6. Step 6: Final answer
    x = 3,185.39

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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.