Home / 12,550.49-18,814.55-4,764.77

Finding the Fourth Proportional to 12,550.49, 18,814.55 and 4,764.77

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Solution

The fourth proportional to 12,550.49, 18,814.55 and 4,764.77 is: 7,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.49 : 18,814.55 = 4,764.77 : x
  2. Step 2: Convert to fraction form
    12,550.49/18,814.55 = 4,764.77/x
  3. Step 3: Cross multiply
    12,550.49x = 18,814.55 × 4,764.77
  4. Step 4: Simplify right side
    12,550.49x = 89,647,062.35
  5. Step 5: Solve for x
    x = 89,647,062.35/12,550.49
  6. Step 6: Final answer
    x = 7,142.91

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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.